Providing Prompt Professional Service Since 1973


Is your furnace having problems, not heating properly, or making noises it shouldn't? Don't wait until it is freezing and you have no heat. Let our team of professionals help keep your furnace running at its best.


Don't wait until the summer heat is here, let us make sure your air conditioner is running the way it should. Or if you want to upgrade your air conditioner our team is here to assist you in purchasing a new one.


Regular HVAC maintenance is important, let us help you extend the life of your equipment and keep them running for as long as they can.

Foster Heating and Cooling Team

The Foster Heating and Air Conditioning team’s top priority¬† is to give our customers quality and dependable service at a fair and competitive price. Our team is trained and qualified to install, repair, replace, and maintain all your heating, cooling, and indoor air quality systems. No matter what your HVAC needs are, we are here to help provide you with exceptional service and keep your systems running smoothly.¬†

Products We Offer


Make Payments Online

For easy and convenient payments pay online today!

What maintenance plan works best for you?

Semi-Annual inspections and cleaning help reduce your utility bills. Out Maintenance Plans are designed to “Pay for Itself” in fewer breakdowns and extend equipment life. All customers who purchase a maintenance will get top priority scheduling. Emergency Service is available 24 hours a day, 7 days a week.

Call us at (660) 707-0797 for more information. Or fill out the form below and bring it by our office: 915 South Washington St Chillicothe, MO 64601.

Customer Testimonials

We love to hear feedback from our customers! If we have worked on your HVAC system we would love to hear from you as well!

Glen BriggsGlen Briggs
01:08 25 Apr 22
A little pricey but decent service
Pamela FahlingPamela Fahling
18:54 02 Apr 22
As always, Foster is fast, reliable and polite! I highly recommend them for all heating and cooling issues you have
Tammy TuttTammy Tutt
18:23 25 Nov 21
Excellent customer service, knowledgeable & polite
Jill BuxtonJill Buxton
13:12 01 Nov 21
Friendly and reliable service.
Roy And Laura WarnerRoy And Laura Warner
20:07 22 Aug 20
Our A/C completely quit on a Sunday i called Monday morning they had someone out that afternoon and a new unit put in by Saturday!!! Great people!! Thanks guys!!!

Our Contact Details


Contact us with any questions.

Opening Hours

We are in office Monday through Friday and provide emergency service 24/7

Monday – Friday
Saturday – Sunday