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All Seasons Heating & Air
"Where Quality and Service Come First"
About Us
All Seasons Heating & Air in Mt. Sterling, IL, has been the trusted HVAC contractor for residential and commercial clients across Brown County, including Augusta, Beardstown, Bluffs, Clayton, Griggsville, Meredosia, Mt. Sterling, Pittsfield, and Rushville since 2012. As a family-owned business, HVAC is in our DNA! We are committed to ensuring your indoor climate remains comfortable year-round. New customers can enjoy 20% off their first service! We specialize in heating and cooling system installations, geothermal services, and commercial refrigeration installations and services. Call us today for a free estimate and let us help you achieve the ideal indoor environment for your home or business.
Areas Served
Augusta, IL | Beardstown, IL | Bluffs, IL | Brown County, IL | Clayton, IL | Griggsville, IL | Meredosia, IL | Mt. Sterling, IL | Pittsfield, IL | Rushville, IL
Our Certifications
- EPA Certified for Refrigerance
What We Offer
Our Services include:
- 20% Off For New Customers
- HVAC Repair and Maintenance
- Furnace and AC Installation, Repair and Maintenance
- Heating and Cooling System Installation
- Thermostat Repair and Installation
- Commercial Refrigeration
- 24/7 Services
- Free Estimates
- Geothermal Services
- In-Floor Heat Services
- Generator Installation
- Electrical Panel Updates
- New Construction Wiring
- Lighting Installation
- Sheet Metal Working
- Air Duct Systems
- Duct-Free Systems
- Generac Generator Installation
- Generac Generator Dealer and Service
Our Brands include:
- Rheem
- Luxaire
- Generac
- Tempstar
- Guardian
- Comfort-Aire
- Samsung
- Mitsubishi
- Honeywell
- Square D
- Cutler-Hammer
Our Products include:
- Furnaces
- Gas Furnaces
- Heating Systems
- Heat Pumps
- Boilers
- Air Conditioners
- Cooling Systems
- Generators
- Humidifiers
- Thermostats
- Indoor Air Quality Systems
- UV Lights AIr Purifiers and Humidifiers
- Packaged Units
- Radiant Heaters
- Carbon Monoxide Detectors
- Furnace and AC Filters
- Garage Heaters
- Air Handlers
- Mini Splits
- Sheet Metal
- Electrical Panels
- Meter Bases
- Wires
- Conduits
- Outlets
- Switches
Testimonials
On 8/26/2024
belinda hunter
had this to say:
Les, What's my service man today.And he was a pleasure to work with. He explained everything to me , very kind, well mannered !!! Definitely, would recommend them to everyone, he did a great job!!!
Thank You Les!!!
Keep up the great work!!!
Belinda
On 5/23/2024
Darci Vandenburg
had this to say:
What a great group of men... excellent Customer service & efficient.. willing to take the time to show/explain what is going on with your system along with what is needed.. prompt service.. very happy.. would highly recommend!!!
On 3/27/2023
Roger Taylor
had this to say:
These guys are amazing and take care of business.
On 10/18/2022
Jerrilyn and Douglas Mason
had this to say:
All seasons is always the best call for service before turning on our air conditioner or furnace. They handle any problems or concerns professionally. Thanks for all you do!
Testimonial written by Jerrilyn and Douglas Mason on this site.
On 6/4/2022
Rick Thomas
had this to say:
Always there when we need them and very knowledgeable. I would recommend them 110 %
Contact Us
All Seasons Heating & Air
206 NW Cross St Mt. Sterling, IL 62353
Phone: (217) 779-1002
Secondary: (217) 773-7131
Email: wjdavis1002
Right across the st from First Christian Church
Where To Find Us
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Payment Types Accepted
American Express, Cash, Personal Checks, Debit Cards, Discover, MasterCard, Visa
Our Hours
24 Hour Emergency Service
Holiday Hours May Vary. Please Call For Details.
Monday: 8:00 AM - 5:00 PM
Tuesday: 8:00 AM - 5:00 PM
Wednesday: 8:00 AM - 5:00 PM
Thursday: 8:00 AM - 5:00 PM
Friday: 8:00 AM - 5:00 PM
Saturday: 12:00 AM - 12:00 AM
Sunday: 12:00 AM - 12:00 AM
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