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Welcome to AQM Inc. - where "One Call Services All."

AQM Inc is a full-service HVAC, electrical, plumbing, heating and air conditioning contractor based in Exton, PA and serving customers in Chester, Delaware and Montgomery Counties.

AQM offers our customers high-quality services at a value that has kept our customers coming back for decades.  We guarantee all work performed, and offer our services 24 hours a day, 7 days a week.  Our licensed staff undergo continuing education and training to ensure that we are always current on the latest industry developments and products.

At AQM, one call really does service all. Whether you're constructing a new home or other building, adding an addition to an existing building, remodeling an old building, or just need some repairs or maintenance, AQM can take care of all of the heating, air conditioning, plumbing, and electrical components of the project. This means that you won't need to worry about trying to manage and coordinate the efforts of several different contractors. This will make your project easier to manage, it will get your project completed sooner, and it will eliminate the types problems created when your individual contractors are not on the same page or timetable. When AQM manages all aspects of your project, everyone is on the same page... from start to finish.

Our services include:


Heating & Air Conditioning / HVAC

Service and Repair Agreements
24-Hour Emergency Service
Residential, Commercial, Industrial & Municipal
Heat Pumps
Gas Furnaces
Gas Boilers
Gas Fireplaces & Log Sets
Oil to Gas Conversions
Central Air Conditioning
High Velocity Air Conditioning
Ductless Air Conditioning
Programmable Thermostats
Air Cleaners, Air Filters & Air Purifiers
Air Duct Cleaning
Planned Maintenance


Residential, Commercial, Industrial & Municipal
24-Hour Emergency Service
Solar Energy
Electrical Service Upgrades
Fuse, Breaker & Panel Replacements
New Circuits
Outlets & Switches
Lighting Fixtures & Ceiling Fans
Inspection Reports
Code Corrections
Underground Repairs
Automatic & Manual Generators
Phone & TV Wiring
Security Lighting
Circuit Breakers



24-Hour Emergency Service
Water Heater Installation & Repair
Toilet, Sink, Tub Replacement & Repair
Pipe Repairs
Sump Pumps
Emergency Back-Up Systems Repair & Replacement
Food Disposal Repair & Replacement
New Construction
Gas Line Installation, Service & Replacement
Leak Detection & Repair
Drain & Sewer Service




Special Discounts on Heating, Air Conditioning, Electrical and Plumbing Services

Special Members-Only
Offers and Discounts!

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Just enter your contact information, and we'll enroll you right away in our Energy-Saving Insiders Club.

Enrollment is
FREE, and as an Energy-Saving Insider, you'll receive special members-only offers and discounts on products and services from AQM.

You'll also receive timely tips and ideas on how to save energy, get more life and greater efficiency out of your current heating and air conditioning system, and increase the value of your home! 


Reviews of our HVAC, Plumbing, Electrical, Heating and Air Conditioning Services

- Stacy 

- Charles 

- Leo M. 

 - James W. 

 - Victor D. 

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Services Offered by AQM - HVAC, Plumbing, Electrical, Heating, Air Conditioning

Central Air Conditioning Installation, Service, and Repair  Heating System Installation, Service, and Repair

Plumbing Installation, Service, and Repair  Electrical Installation, Service, and Repair

Backup Generators  Air Filtration and Air Purification Installation, Service, and Repair

Gas Log Sets  Heating and Air Conditioning Service and Repair Agreements


News and Information about HVAC Plumbing Electrical Heating and Air Conditioning in Exton PA

Don't Get Left Out In The Cold This Winter.  Keep The Power On With An Automatic Whole-House Backup Generator

A power outage can prove to be more than just an inconvenience when it leaves your home without essential services due to an extreme winter storm. Disabled access to power can make riding out any winter storm not only uncomfortable, but also potentially dangerous. A standby generator will keep your home safe and warm during such an occurrence. More

Protect Your Home and Your Family's Health From the Harmful Effects of Dry Air

There are a number outdoor and indoor environmental conditions that can affect an individual's health. One condition in particular that is quite common and is likely to cause a variety of health-related effects is that of air that is considered too dry. The health effects of this type of air can be extensive and long lasting to occupants of a home - as well as the home itself.  More

Time For a New Heater? You'll be Surprised at Just How Affordable a New Trane System can be.

If you're heating system is nearing the end of it's life, or if you've been spending a substantial amount on repairs and maintenance recently, or if it's just not running as efficiently as it used to, you've probably been kicking around the idea of upgrading to a new system. But the upfront expense of installing an entirely new system may have been keeping you from moving forward. AQM and Trane may have the solution for you. More


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PA Home Improvement