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Welcome to Modern Comfort Systems! Our family-owned company is based in Central Maryland and the Southern and Central Pennsylvania Region where we are honored to be the company of choice for many families who trust us to keep their homes comfortable all year long!


heating air conditioning westminster maryland

We repair and maintain ALL types of heating, cooling, and hot water systems.
From heat pumps in winter to air conditioning in the summer, we restore your homes comfort fast! With regular maintenance, our technicians will help ward off future repair calls, lower annual energy costs, and prolong the life of your furnace, air conditioning, or heat pump system!

When it’s time to replace your heating or air conditioning system, let us help. 
Advancements in technology require that homeowners carefully select a company that they not only trust, but who has the technical expertise to present them with the full range of solutions available to meet their specific needs. In addition to traditional oil heat, propane, electric, and gas systems, we also offer high-efficiency ductless systems! Our system installation team is fully trained, and  we offer an industry leading 2 year parts and labor warranty on qualifying installations!

Modern Comfort Systems serves all of Central Maryland and the Southern and Central Pennsylvania Regions.


Repair, Replacement, Installation

Air Conditioning

Repair, Replacement, Installation

Water Heaters

Repair, Replacement, Installation


Recently had a new Heat Pump/AC system put in. Very professional and the system works great!

William D.

We have been dealing with Modern Comfort since 1987 and have nothing but good things to say about them. We highly recommend this company to anyone needing a reputable HVAC company.

Dave F.

Every time I call for anything they are extremely helpful, kind, and always go above and beyond in customer service. Thank you for all you do!

Shay H.

Modern Comfort and Tevis Oil have been our service provider for 2 years at our business. They installed and service our heat pump, boiler and air conditioners. They have gone above and beyond in helping us open on time and all our service needs.

Mary H.

It was so nice to have such superb service and a knowledgeable, friendly technician work on our equipment! I’m so glad that I have a service contract that covers all of the repairs!

Christina W.

Modern Comfort Systems… excellent service, trust worthy company. Excellent service technicians, solved my AC issue quickly. Thanks Guys!

Sharon F.

I have been a 10 year customer and have nothing but top notch experience with this company. They have kept my heating and air conditioning systems functional since I moved into my home! they are highly recommended!

James N.

I’ve been using Modern Comfort for the past 7 years and have been very happy with the service as well as my A/C and Furnace.

Ernest E.


Heating and Air Conditioning Service

From cold and snowy winters to hot and humid summers, extreme weather is the norm! Because your home heating and air conditioning systems get such heavy use, you need a heating and air conditioning company that you can trust to keep your systems up and running year round!


Anytime Account Access

Check your Modern Comfort Systems account online anytime securely! Review service, and payment history, make payments, and schedule annual tune-ups. Simply follow the prompts to activate your membership.