Service Van

24-hour emergency service available

Call us when you need us. We will be there right away.

Residential & Commercial Air Conditioning Repair Services

Trust our experienced Heating, Air Conditioning & Plumbing company.

While every home or business is different, we know a quality heating and air conditioning system is the key to keeping you comfortable throughout the year. At Timothy Off in West Chester, PA our heating and air conditioning repair and replacement services can help you stay cool in the summer and warm in the winter. We offer residential and commercial installation, repair, and maintenance services performed by trained technicians throughout Chester, Delaware, and Montgomery counties.

We also offer plumbing services to keep your pipes flowing smoothly. Whether you’re in need of a plumbing installation or repair, we offer the best service in the area. We’re certified by Trane, Mitsubishi, NATE, and many other organizations.

Timothy Off

Timothy Off is a very professional and responsive HVAC contractor in the Chester County, Pa area. They were competitive and well versed in the different types of HVAC systems. They... answered my questions and then performed the work flawlesslyI highly recommend them and will definitely use them in the futureread more
Thomas M.
Thomas M.
Timothy Off Heating, Air Conditioning, Plumbing has professionally, diligently, expertly serviced all of our HVAC and plumbing needs since we moved in our home 12 years ago. Not only do... they respond promptly, they are highly skilled and proficient in each area. In addition to their expertise, they skillfully maintain our systems to ensure that they continue to function effectively and efficiently. Do yourself a huge favor and call Timothy Off for your service more
Maryann L.
Maryann L.
From sales to install Timothy Off was fantastic. The new systems are exactly what we needed and was not oversold. The install was of highest quality and was done on time. I 100% recommend... Timothy Off for HVAC and plumbing more
Allen K.
Allen K.
Jim was patient and took his time to troubleshoot our malfunctioning geothermal unit. He explained everything in detail, was exceptionally friendly and knowledgeable. Jim cares about his... job and his clients and after meeting him today, we will always call Timothy Off for service.Thank you Jim for saving the day!read more
Michele G
Michele G
Professional business through and through. Very responsive, arrived on time and was very informative. Explained the problems with my AC and offered multiple options. Prices were lower... than a competitor's quote. Will use them in the future when more
Brian W.
Brian W.
This is the 2nd time i chose to go with this company and i will continue to do so. I called and they came the very same day, identified the issue, repaired it, and offered me a decent price... and cleaned up before he left. Very satisfied with his work and would recommend to a friendread more
Kevin T.
Kevin T.
Excavation Services

Excavation Services

We have excavation services for water pipe repair and replacement, sewer pipe repair, water main breaks and gas line repair.

Excavation Services Information

Call us today to inquire or to get an estimate.


Timothy Off Heating Cooling Plumbing

Sign up for an HVAC maintenance plan

Our authorized specialists will perform important maintenance services on your equipment twice during the year: once to help prepare for the heating season, and once to help prepare for the cooling season.

Learn More

We Accept Credit Cards we accept

Up To 60 Months Special Financing Available*

*The credit card is issued with approved credit by Wells Fargo Bank, N.A.

Want to join our HVAC company?

We give a chance for people to work in a professional environment with challenges and values. Come join us!

4 Reasons to Call Timothy Off

The team at Timothy Heating, Air Conditioning, and Plumbing is well-known and well-respected for their commercial and residential HVAC services. This is why:

We Guarantee Our Services

Your satisfaction is guaranteed with Timothy Off. From our full system replacement warranties to our complimentary 6-month check-ups, the Timothy Off team is proud to treat our customers to the very best service in the HVAC and Plumbing industries.

We’re Available When You Need Us

Our courteous and trained professionals are available every day of the year, 24 hours a day, so no matter when you encounter a problem, we’ll be able to solve it. We’ll treat you and your home with respect by wearing shoe covers, laying drop cloths, and cleaning up after ourselves.

We Are a One-Stop Shop

Whether you’re looking for heating, cooling, HVAC or plumbing services, our locally owned and operated company is here to help. We offer quality installations, repairs, and maintenance for all of your mechanical needs. Plus, we are a Trane HVAC certified dealer.

We Want to Make You Happy

Our #1 goal is to improve your happiness, comfort, and health, which is why we carry only the highest quality products and brands. With over 100 years of combined experience, we’ll diagnose your situation and provide the best solution for your budget and lifestyle.

Google Rating
Based on 256 reviews