Heating, cooling & backup power for the Washington Metropolitan Area.

24 Hour Emergency Repair & Maintenance. HVAC. Generators. Boilers. Water heaters. And more!

Call & schedule · 301-493-5766 Browse services

Founded: 1986
Based in: Bethesda, MD
On call: 24/7

Carrier condenser installed beside a garden

Technician servicing a standby generator

Services

Whether HVAC or Generator related, Gary P. Frank Inc. proudly provides a number of services to make your home comfortable and safe.

Residential Generators

In need of a generator check-up or emergency repair on your whole-home generator? Gary P. Frank, Inc. can help you today! We also provide free estimates for installation!

Heating & Cooling

Whether you're looking for emergency repair, regular maintenance, or installation, Gary P. Frank, Inc. can provide you the highest quality of service on your system!

When was the last time you had your ducts cleaned? Have you ever? Gary P. Frank, Inc. can offer you a number of cleaning services including dryer vent cleaning and aero seal duct sealing. Call and ask today!

Service Agreements

Gary P. Frank, Inc. proudly provides a variety of service agreements to ensure your units are functioning at their best 24/7! Give us a call and ask about the agreements we offer for both HVAC Systems, Boilers and Generators.

Car Chargers

In need of a car charging solution for your electric vehicle? Look no further, Gary P Frank Inc. has you covered. Be sure to ask our staff for rebates available on qualifying installations.

Energy Savings

Maximize energy efficiency in your home or building with our comprehensive energy survey and audit services, coupled with advanced HVAC solutions including high-efficiency heat pumps, furnaces, heat pump water heaters, and boilers.

Commercial Service

We offer commercial service agreements for office buildings, places of worship and retail establishments.

Big Rebates, Bigger Savings!

We help DC, Maryland & Virginia homeowners secure available rebates and incentives.

Let us help you claim your savings today

Service agreements

Avoid costly breakdowns and overtime charges with a service agreement on your HVAC and generator today!

We offer commercial service agreements.

Learn more here →

Our work

Gary P. Frank, Inc. proudly installs the best heating, cooling and emergency backup power system brands, backed by a 100% satisfaction guarantee. Here are just a few of the installs we have completed with our satisfied customers.

Carrier condenser install beside a garden bed

See all of our work →

What homeowners say

“We have been happy and satisfied customers for decades. This morning our tech, Jeff, arrived for a routine heating checkup. He encountered a number of problems, but remained good-natured and unflustered. And of course, he got us all set up for the winter season. Another terrific tech from a marvelous operation at GPF Heating and Cooling.”

Claire D., from Google

See more reviews →

About us

For more than 35 years, Gary P. Frank, Inc has been helping residents and businesses throughout the Washington Metropolitan area enjoy total indoor air comfort in their homes and businesses.

Learn more