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• Blog
  • 2024
    • August
      • The reason why you need an air purifier in your home in summer in Maryland
    • May
      • How Indoor Air Quality Is Affected by an Older AC System
  • 2023
    • September
      • Getting Ready for Cooler Days – Fall HVAC Maintenance Guide
      • Why You Need to Schedule HVAC Maintenance This Fall [UPDATED]
      • Presidential Wins Nextdoor’s 2023 Neighborhood Faves
      • How to Choose an Environmentally Friendly HVAC Contractor
    • August
      • The Benefits of Smart Thermostats – Revolutionizing Home Efficiency
      • Eco-Friendly Cooling: Exploring Energy-Efficient AC Options
    • July
      • Energy Efficiency Tips: How To Save Money on Cooling Bills This Summer
      • Top 5 Most Common AC Issues and How To Prevent Them
    • June
      • Smart Thermostats: Maximizing Comfort And Energy Savings In Your Home
      • Understanding the Different Types of Air Filters: A Guide for Maryland Homeowners
    • May
      • Keep Your Cool: Seasonal HVAC Preparation for a Comfortable Summer
      • What Is Geothermal Heating and Cooling and Why Should Homeowners Consider It?
    • April
      • The Benefits of Installing UV Lighting in Your HVAC System
      • Inflation Reduction Act of 2022
      • Why Are Air Purifiers So Important?
    • March
      • Furnace Noises You Shouldn’t Ignore
      • Why Choose an Oil Furnace for Your Gaithersburg Home?
      • How to Know If Your Home Needs a Humidifier or Dehumidifier
      • Gas or Electric Furnace- Which Is Right for Your Home?
    • February
      • Keep Your Home Toasty This Winter With a Smart Thermostat
      • 2023 Advantage Plan Membership Winner Announcement
      • How to Choose Between a Furnace or Heat Pump
    • January
      • Safety Tips for Gas Furnaces: What You Need To Know
      • How To Lower Your Heating Costs in Gaithersburg This Winter
  • 2022
    • December
      • Indoor Air Quality Issues in the Fall – How to Protect Against Them
      • Fall Checklist for Your Heating and Air Conditioning System
    • November
      • Understanding Indoor Air Quality Products
      • Common Indoor Air Quality Issues and How to Fix Them
    • September
      • Preparing Your HVAC System for Upcoming Cold Weather
      • New HVAC Guidelines 2023
      • The Value of a Quality Fall HVAC Maintenance Plan
      • An HVAC Success Story in Montgomery County, MD
    • August
      • 3 Tips to Extend the Life of Your AC – Part 2
      • 7 Tips to Extend the Life of Your AC – Part 1
    • July
      • Extending the Life of Your Air Conditioning Unit
      • AC Problems: Why Is My Air Conditioner Leaking?
    • June
      • Why Professional HVAC Service & Repair Is Important
      • Presidential Heating & Air Conditioning Celebrates 40th Year of Service
      • What to Do Before the AC Repair Company Arrives
    • May
      • Is Air Conditioning Installation Harder in an Older Home?
      • HVAC Tech Tips for Keeping Cool This Summer
    • April
      • How Your HVAC System Can Help with Allergies
      • When is the Best Time to Have AC Maintenance Done?
    • March
      • Choosing the Best AC Company
      • Top Tips for Improving HVAC Efficiency
    • February
      • What’s Wrong with My Furnace?
      • Should You Close Heating Vents in Empty Rooms?
    • January
      • Furnace Replacement: Should You Go with Gas or Electric?
      • 5 Tips from HVAC Pros for Saving Energy This Winter
  • 2021
    • December
      • HVAC Contractor Tips for Reducing Your Heating Bill
      • Choosing the Right Furnace Filter
    • November
      • What Is a Heat Pump?
      • Choosing a Heating & Air Conditioning Contractor in Gaithersburg
    • October
      • Understanding Annual Fuel Utilization Efficiency (AFUE) Ratings
      • 5 Reasons a High-Efficiency Furnace Is a Great Investment
    • September
      • Top 6 Preventative Furnace Maintenance Tips for Winter
      • How to Maximize Heating Efficiency in Your Home
    • August
      • Top 3 Factors That Affect New Furnace Installation Costs
      • What Is Considered High Humidity?
      • When Furnace Replacement Makes Good Sense
    • March
      • Spring HVAC Prep: Leaks, Function and Professional Service
      • Spring HVAC Prep: Ducts, Thermostat, Windows
      • How To Protect Yourself From Pollen This Spring
      • Presidential Heating & Air Conditioning, Inc. – Carrier 2021 President’s Award Recipient
      • Spring HVAC Prep in Gaithersburg: Cleaning, Inspection, and Filter
    • February
      • Avoiding Heating Mistakes: Fireplaces, Exhaust Fans and Maintenance
      • 2021 Advantage Plan Membership Winner Announcement
      • Avoiding Heating Mistakes: Windows, Gaps and Vents
      • Avoiding Heating Mistakes: Thermostats, Air Filters and Empty Homes
      • Angie’s List Super Service Award – 2020 Recipient
    • January
      • Ask the HVAC Expert
      • THE AIR YOU BREATHE
      • PREVENTATIVE MAINTENANCE
      • INDOOR AIR QUALITY SERVICES
      • Three Steps To Better Indoor Air Quality
      • HVAC SYSTEM REPLACEMENT AND REPAIR TIPS
      • HVAC MAINTENANCE TIPS
      • HUMIDITY
      • Tips For Maximum Efficiency And Comfort
  • 2020
    • November
      • Coronavirus Prevention Tips in the Home
      • How an HVAC Replacement Can Save You Money
    • October
      • What You Need To Know Before An HVAC Replacement
    • September
      • Does My HVAC Unit Need A Repair?
      • What Are The Symptoms Of Poor Air Quality In The Home?
    • August
      • What Is An Air Duct Inspection?
      • 6 Signs Of A Broken Dehumidifier
      • How Much Will AC Repair Cost?
      • What To Do If Your AC Stops Working
    • July
      • How Long Do Central AC Units Last?
      • How To Prepare For A Central Air Installation
      • How To Lower Humidity In Your House
      • What Is the Ideal Indoor Humidity in the Summer?
    • June
      • How Long Does Ductwork Last?
      • What Season Is Best for an Air Conditioning Replacement?
    • May
      • How to Clean an Air Conditioner Filter
      • What Size Air Conditioner Do I Need?
      • How to Repair an Air Conditioner Leak
      • When to Replace an Air Conditioner
      • How to Prepare for an Air Conditioning Replacement
      • How Often Should You Replace Your Air Conditioning Unit?
    • April
      • Presidential Heating & Air Conditioning, Inc. Receives 2020 Carrier Award
      • 2020 Advantage Plan Membership Winner Announced
      • Should I Repair Or Replace My AC Unit?
    • March
      • Types Of UV Light Systems
      • Benefits Of Installing UV Lighting
      • How to Choose The Best AC Units For You In 2020
      • What is a Mini Split AC?
      • Benefits of a Duct Inspection
      • What is a Heat Load Calculation?
    • February
      • What Size Dehumidifier Do I Need?
    • January
      • How Long Do Furnaces Last?
      • How Much Do New Furnaces Cost?
  • 2019
    • December
      • 5 Common Furnace Repair Issues
      • 5 Basement Heating Options For The Winter
      • Ways To Make Your Home Energy Efficient This Winter
      • Ways to Achieve Ideal Home Humidity This Winter
    • November
      • Craig Sabol, Service Manager at Presidential Heating and Air Conditioning, Inc., Wins National Award
      • How Does A Heat Pump Work In Winter?
      • Heat Pump vs Central Air: Which Is Better For My Home?
      • What Temperature Should I Set My Thermostat for the Winter?
      • What Size Air Filter Do I Need For My HVAC System?
    • October
      • What is Hydronic Radiant Floor Heating?
      • What to Do if Your Home Heating System Goes Out?
      • What Every Home-Owner Should Know About Heating Repair
      • Free One Year Heating and Air Conditioning Maintenance Plan
      • Furnace Problems Troubleshooting Guide
    • September
      • What is a Split System Air Conditioner?
      • Air Conditioner vs Dehumidifier: What You Should Know
      • Ductless AC vs. Central Air: Which Is Better?
      • How Long Should an Air Conditioner Run?
      • What is an HVAC Compressor?
      • How Much Does a New Air Conditioner Cost?
      • The Benefits of Using a Ductless Air Conditioner
      • What is the Ideal Temperature Setting for My Air Conditioner This Summer?
    • August
      • How to Check the Freon in a Home Air Conditioner
      • What Are the Benefits of an Energy-Efficient Air Conditioner?
      • How Does Central Air Work?
      • Benefits of Installing Air Conditioning this Summer
      • Different Types of Air Conditioning Systems
      • How Much Does It Cost to Install Central Air?
    • June
      • Presidential Heating and Air Conditioning Wins Manufacturer’s Award for Excellence
    • May
      • How Does a Dehumidifier Work?
      • The Benefits of a Central Air Conditioning System
      • What Is the Average Life of a Central Air Conditioning System?
      • What is Central Air?
    • April
      • What Is the Best Warm Weather Humidity Setting for My Basement Dehumidifier?
      • Why Is My Air Conditioner Not Cooling the House?
      • Why is My Outside Air Conditioning Unit Not Turning On?
      • How to Clean Mold Out of Ductwork
    • March
      • What is the Ideal Indoor Humidity in Winter?
      • High Efficiency Furnace Venting: What You Need To Know
      • 6 Signs That You Need a More Energy Efficient HVAC
      • How to Know if You Need Air Duct Cleaning this Winter
    • February
      • Top 10 Tips for Saving on Heating Costs This Winter
      • My Heat Won’t Turn On: What Do I Do
      • How to Prevent Ice From Forming on your Surface Vent
    • January
      • How Can I Tell If My Circulator Pump Needs Replacement?
      • What is the Difference Between a Gas Furnace and an Oil Furnace?
  • 2018
    • December
      • How Do I Know Which Heat Pump to Use?
      • Boiler vs. Furnace – Which Is More Energy Efficient?
      • Does My Furnace Need Repair or Replacement?
      • 12 DIY Tips to Keep Your Home Cozy This Winter
      • Tips for Home Efficiency in the Winter
      • Winter Is Coming: Your Heating System Needs Maintenance
    • November
      • Top 9 Common Reasons You Need a Furnace Repair
      • Top Six Benefits of Installing a Wifi Thermostat
      • What Are the Most Efficient Heating Systems?
      • How Does Snow Affect My HVAC System?
    • October
      • Nine Signs Your Heating System Needs to Be Repaired
      • Forced Air Furnaces vs. Heat Pumps
      • Are Pellet Stoves Energy Efficient?
      • What is a Centralized Water Heating System?
    • September
      • The Advantages and Disadvantages of Centralized Heating Systems
      • How Do I Know If My HVAC System Needs to Be Repaired or Replaced?
      • How to Determine Your Ideal Type of Heating System
    • August
      • Preparing Your Furnace for the Winter
      • Tips for Maintaining Your HVAC System
      • Why You Need to Clean Your Air Ducts
      • Humidistat: What It Is and Why You Need One
      • What is the Ideal Indoor Humidity Level?
      • How Often Should I Have My Air Conditioning Unit Serviced?
    • July
      • My Air Conditioner Is On, But Not Cooling. What Do I Do?
      • How to Know if Your Thermostat is Accurate
      • What Does it Mean When My HVAC System is Leaking Refrigerant?
      • The Top 8 Most Common HVAC Problems
    • June
      • Presidential Heat and Air Receives Carrier Award
      • What Does It Mean to Be NATE Certified?
      • Why You May Want to Consider a Ductless Mini-Split Air Conditioner
      • HVAC and the Internet of Things
      • Why Using an HVAC Contractor is Important
      • How to Tell When You Need a New Air Conditioning System
    • May
      • In Honor Of Those Who Served
      • How Often Should I Change My Air Filter?
      • How Humidity Affects Your Air Conditioning
      • Should I Consider a Dehumidifier Installation for My Home?
    • April
      • How Your Old Windows Could Be Costing You a Fortune
      • Air Conditioning Maintenance for Springtime
      • Indoor Air Quality and Your Health
      • How to Keep Your Summer Energy Bills Low
    • March
      • How Does Air Conditioning Work?
      • Central Air vs. Wall Units
      • 5 Tips to Get Your Air Conditioner Ready for the Summer
      • How to Check Your Air Conditioner Before Calling for Repair
    • February
      • 5 Questions to Ask Your HVAC Contractor
      • What Does HVAC Mean?
      • Should I Turn Off My Heat When I’m Not Home?
      • How Do Heating Systems Work?
    • January
      • Types of Heating Systems 2018
      • Best Smart Home Thermostats 2018
      • Best Heat Pumps 2018
      • HVAC Maintenance Tips 2018
  • 2017
    • December
      • Why You Should Avoid DIY HVAC Repairs
      • 5 HVAC Repair Scams and How to Avoid Them
      • Your Comprehensive HVAC Winter Prep Checklist
      • What Size HVAC Unit Do I Need?
      • HVAC Service and Maintenance Plans and Why You Might Want One [FREE GUIDE]
      • Is Your Heating System Ready for Winter? [TAKE THE QUIZ]
      • 4 Easy Ways to Extend the Life of your Heating and Cooling System [VIDEO]
    • November
      • Improve Indoor Air Quality to Prevent Yourself From Getting Sick
      • A Warm and Comfortable Home for Your Holiday
      • With Energy Efficiency, Your Heating Bill Can Drop Like the Temperature
      • 4 Signs That It’s Time to Upgrade Your Heating System
      • Why Fall Air Filter Replacement is Vital for your Health
    • October
      • How to Choose the Best Heat Pump System [FREE GUIDE]
      • Aging Heat Pump Systems—Should you Repair or Replace? [QUIZ]
      • 5 Biggest Signs Your Heat Pump Needs Attention [INFOGRAPHIC]
      • 12 Ways to Help Alleviate Pet Allergies in the Home
      • How to Know If Your HVAC System Needs to Be Replaced This Fall
    • September
      • What is Indoor Air Pollution?
      • How to Choose the Best Heating System [FREE GUIDE]
      • Aging Heating Systems—Should you Repair or Replace? [QUIZ]
      • 6 signs Your Furnace Needs Attention [INFOGRAPHIC]
      • The New Homeowner’s Guide to HVAC
      • Three New Technologies Transforming the HVAC Industry
      • Winter is Coming: How to Prepare Your HVAC System
    • August
      • Boiler vs Furnace: How to Decide
      • Understanding Centralized and Decentralized Heating Systems
      • Control your Thermostat with Alexa
      • How Does a Heat Pump Work?
      • Why You Should Install UV Lighting in Your HVAC System … Yesterday
    • July
      • A Look at the Newest Home Thermostats on the Market
      • Six Common Signs Your Refrigeration System Needs Repair
      • HVAC Repair vs. HVAC Replacement: How to Choose
      • Geothermal Energy and Your Home
    • June
      • Geothermal Heating Technology for Your Home
      • What is a Ductless Air Conditioner?
      • Natural Gas vs. Oil Furnaces: Pro’s and Con’s
    • May
      • Mold’s Three Favorite Places to Hide Around Your House
      • Six Home Energy Myths that Just Won’t Die
      • Dehumidifiers and Your Family’s Health
      • People Love Us On Yelp
    • April
      • The Top 8 Factors That Determine Indoor Air Quality
      • The Dangers of Poor Air Quality in the Home
      • 6 Signs of Poor Air Quality in the Home
      • 5 Ways to Cut Your AC Bill this Summer
    • March
      • 8 Everyday Ways to Improve Your Indoor Air Quality
      • What is a Geothermal Heat Pump?
    • January
      • Tips for Home Efficiency in the Winter
  • 2016
    • November
      • Is the Carrier IdealHumidity™ System Right for Your Home?
      • Start Your New Year with a New HVAC System
      • Is Your Indoor Air Quality Unacceptable?
    • October
      • How Does Geothermal Technology Work?
      • Transitioning Seasons with Your Thermostat
      • Adding a Pellet Stove to Your Home
    • September
      • Getting Your Air Conditioning Ready for the Winter Season
      • Keeping Your Energy Costs Down in Winter
      • How Ragweed Pollen Can Worsen Your Allergies in September
      • Choosing an Air Purifier for Your Home
    • August
      • How HVAC Maintenance Agreements Can Help You
      • Is it Time to Replace Your Thermostat?
      • Increase Your Comfort with a Dehumidifier
      • Tips for Keeping Cool in August
    • July
      • The Benefits of Using a Heat Pump in the Summer
      • The Benefits of a Ductless Split System
      • Should You Repair or Replace Your Air Conditioning Unit?
      • Strategies for Reducing Indoor Humidity to Prevent Mold Growth
    • June
      • Warning Signs That Your Air Conditioner Is Going to Malfunction
      • The Link Between Summer Humidity and Mold
      • Understanding Air Conditioning Heat Pumps
    • May
      • Using Your Wi-Fi Thermostat to Monitor Indoor Humidity
      • Dealing with Summer Air Conditioner Emergencies
      • Understanding Dehumidifiers
      • How You Can Get Your Air Conditioner Ready for Summertime Temperatures
      • Your Guide to Smart Thermostats
    • April
      • Maintaining Your Air Conditioner this Spring
      • Indoor Air Quality (IAQ) Is Nothing to Sneeze At
      • The Benefits of Having a Maintenance Agreement
      • How to Improve Air Quality in Your Home
    • March
      • How to Get Your Home’s Temperature Right
      • Your Guide to Smart Thermostats
      • Managing Mold and Allergies this Spring
    • February
      • How Indoor Air Quality Affects Your Allergies
      • Importance of Using a Certified HVAC Contractor
      • Should You Consider a Wood Stove for Your Home?
    • January
      • Examining the Features of Honeywell Thermostats
      • A Look at a Pellet Stove Installation
      • An Essential Guide to Pellet Stove Maintenance
      • Keep the Heat In and the Cold Out! [INFOGRAPHIC]
  • 2015
    • December
      • The Benefits of Air Cleaners
      • How to Properly Use Your Thermostat
      • How to Choose a New Programmable Thermostat
    • November
      • Touring the Benefits of Pellet Stoves
      • A Homeowner’s Guide to Choosing a Thermostat
    • October
      • Getting Your HVAC System Ready for Winter
      • 4 Easy Ways to Keep Allergens Out of Your Home
      • Getting the Best Efficiency and Comfort From Your HVAC
    • September
      • Your Guide to Using a Programmable Thermostat
    • August
      • How Humidity Affects Your Home
      • An Essential Guide to HVAC Replacements
      • Should You Repair or Replace Your HVAC System?
    • July
      • What Is an Air Cleaner?
      • Examining the Most Common Air Conditioner Problems
      • 10 Easy Ways to Save Energy This Summer [INFOGRAPHIC]
      • Identifying AC Leaks in Your Home
      • Tips for Saving Energy and Money at Home
      • AC Maintenance for the Summer Months
    • June
      • Tips for Extending the Life of Your Air Conditioner
      • The Dangers of Poor Indoor Air Quality
      • How to Improve Your Indoor Air Quality
      • Common Air Conditioning Problems
    • May
      • Gear Up for Summer with These AC Maintenance Tips
      • Should You Install a Humidifier?
      • Understanding How Your HVAC System Works
      • How to Save Money with a Programmable Thermostat
      • A Look at How Air Conditioning Works
      • Exploring Your Generator Options
    • April
      • Preventative Maintenance Tips for Your HVAC System
      • Your Guide to AC Maintenance
      • Spotlight on AC Mini-Splits
      • Reasons to Include HVAC Maintenance in Your Spring Cleaning Checklist
    • March
      • The Science Behind Air Conditioning
      • Factors to Consider When Purchasing a New Air Conditioner
      • Google Reviews!
    • February
      • 4 Ideal Applications for High-Wall Duct-Free Split Systems
    • January
      • Repair or Replace? Fixing Your Faulty Furnace [INFOGRAPHIC]
      • Selecting an HVAC Maintenance Plan
      • Maintenance Tips for Your HVAC System
  • 2014
    • December
      • Reasons to Schedule Duct Work
      • A Look at How Heat Pumps Work
      • Answers to Your Heating and Cooling Questions
      • Common Problems with Furnaces
      • Signs You May Need a New Furnace
    • October
      • Caring for Your Furnace Filter
      • Tips for Lowering Your Heating Bill During the Winter Months
      • Tips for Improving Your Indoor Air Quality
      • The Importance of Scheduling a Furnace Tune-Up
    • September
      • How to Change Your Air Conditioner Filter
      • Tips for Saving on Your Heating Bills
      • The Presidential Heating & Air Conditioning Story
    • June
      • The Importance of Maintaining Your Air Conditioner
    • May
      • The Steps of Buying an Air Conditioner
      • A Quick Look at How Air Conditioning Works
      • Using a Programmable Thermostat
      • Energy Saving Tips for the Summer Months
    • January
      • Changing Your Furnace Filter
  • 2013
    • November
      • What’s the Best Thermostat Setting for Winter?
      • Improving Your Indoor Air Quality
    • October
      • The Relationship Between Indoor Air Quality and Health
    • September
      • How to Make Your Home More Energy-Efficient
    • July
      • Signs that Your Air Conditioning Unit May Need to be Replaced
    • June
      • A Look at How Your Home’s Indoor Air Quality May Affect Your Health
      • Tips for Maintaining Your HVAC System
      • Furnaces Offered by Presidential Heating & Air Conditioning
    • May
      • Three Tips for Getting the Right Room Temperature
    • March
      • Programmable Thermostats Can Help You Save Energy
  • 2012
    • August
      • Air Conditioner Service Tips
    • July
      • What’s the Difference Between Caring for Your HVAC Unit in Summer Vs. Winter?
      • Three Signs Your Home Has Poor Indoor Air Quality
    • June
      • Buying an Energy-Efficient Air Conditioner
      • Our Services at a Glance
    • May
      • Five Key Things to Look for in a Cooling Company
      • Tips for Saving Money and Cooling Your Home
      • Beat the Heat! 3 Benefits of Central Air Conditioning
    • April
      • Thermostat Programming Tips from the Pros
      • 3 Signs You May Need Air Conditioner Repair or Replacement
    • March
      • Have You Switched To a Programmable Thermostat Yet?
    • February
      • What to Look for When Replacing Your Furnace
      • Do You Know What Geothermal Energy Is?
      • A Guide to Geothermal Heat Pumps
    • January
      • Don’t Get Left in the Dark! What to Do if the Power Goes Out
  • 2011
    • December
      • Tired of Sacrificing Money & Comfort During Winter?
      • Time for a Tune-up: Make Sure Your Furnace Is Winter Ready
      • Tips to Improve the Air Quality in Your Home this Winter
    • November
      • How Do Heat Pumps Work?
      • Four Ways an Energy Audit Can Help You this Winter
    • October
      • Learn The Importance of Having Your Furnace Inspected by a Pro
    • September
      • What’s Inside Your Air Conditioner?
    • July
      • Dangers of Poor Air Quality in the Home
      • Signs Your Commercial Refrigerator Is in Need of Service
    • June
      • What Is Indoor Air Pollution?
      • Tips for Getting Through the Maryland Heat this Summer
      • Tips for Using Ceiling Fans in Each Room to Increase Your Home’s A/C Efficiency
    • May
      • The Advantage Of Signing An HVAC Agreement
      • Energy 101: Geothermal Heat Pumps
      • Is Your House Costing You Too Much Money?
      • How to Prepare Your Furnace for Long Periods of Disuse
    • April
      • Tips for Maximizing Your Home’s Heating and Cooling Efficiency
      • How to Seal Exposed Ductwork – DIY Weatherization Solutions from Green Dream Group
    • February
      • Great Offers from Presidential Heating and Air, including a $250 Coupon!
    • January
      • How to Make Sure Your Thermostat is Working Correctly
      • 4 Benefits of Having a Humidifier in Your Home
  • 2010
    • December
      • Lower Your Utility Bills with These At-Home Maintenance Tips
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