A/C Installation & Repair
Keep your home comfortable through every Illinois summer with reliable cooling and fast repairs.
- High-efficiency central air installation
- Same-day diagnostics and repair
- Refrigerant, compressor and coil service
Expert HVAC Services in Sterling, IL
Trusted heating and cooling professionals serving the Sauk Valley for over 60 years. Honest pricing, factory-trained technicians, and help that arrives fast.
4.8(175 reviews)Licensed in Illinois24/7 Emergency Service
60+
1705 Westwood Dr, Sterling
4.8 · 175 reviews
24/7 emergency service
815-625-HVAC
What we do
Complete heating & cooling services
From a no-heat emergency in January to a new high-efficiency system, our factory-trained technicians handle it all for homes and businesses across the Sauk Valley.
Furnace & Boiler Service
Heating you can count on when Sauk Valley winters hit, from a quick fix to a full system replacement.
- Gas and electric furnace installation
- Boiler repair and replacement
- No-heat emergency repairs
Air Duct Cleaning
Clear out dust, allergens and buildup so your system breathes easier and runs more efficiently.
- Whole-home duct and vent cleaning
- Dryer vent cleaning
- Improved airflow and efficiency
Indoor Air Quality
Breathe cleaner air at home with humidity control, filtration and purification built for your space.
- Whole-home humidifiers and dehumidifiers
- Air purifiers and UV systems
- High-efficiency filtration upgrades
Emergency HVAC Service
Heating or cooling out at the worst possible time? Our team answers around the clock, every day.
- 24/7 emergency dispatch
- Fast response across the Sauk Valley
- Fully stocked service trucks
Not sure what you need?
Tell us what is going on with your system and we will point you to the right fix, often the same day.
Why Loescher
The Sauk Valley's heating & cooling team
Big-company capability with the accountability of a family-owned business that has been part of this community for generations.
60+
10k+
100%
24/7
Six decades of local trust
We have kept Sauk Valley families and businesses comfortable since 1962. Your neighbors already know us by name.
Factory-trained technicians
Every technician is trained, background-checked and certified on the equipment we install and service.
Licensed, bonded & insured
Fully licensed in Illinois (License #055-000731) and backed by workmanship guarantees on every job.
Upfront, honest pricing
You approve the price before we start. No surprise charges, no pressure, no upsells you do not need.
From our neighbors
What the Sauk Valley says
A few words from the Sterling-area homeowners and businesses we have kept comfortable.
Amazing service in Sterling. Our furnace quit on the coldest night of the year and Loescher had a tech at the house within the hour. Fair price and they explained everything.
Had a new central air system installed and the crew was professional from the quote to the cleanup. Best HVAC company in the Sauk Valley, hands down.
We have used Loescher for our boiler maintenance for years. Always on time, always honest. It is nice to work with a local family business you can trust.
Rated 4.8 out of 5 across 175 verified reviews.
Service area
Local to the Sauk Valley
Our Sterling office puts a fully stocked truck close to your door. We cover Sterling, Rock Falls, Dixon and the surrounding communities.
- Sterling
- Rock Falls
- Dixon
- Morrison
- Prophetstown
- Walnut
- Tampico
- Amboy
- Polo
- Milledgeville
Comfort trouble? We can usually help today.
Call the Sterling office or request a free quote and a friendly, local technician will take care of the rest.