

Smart Service. Lasting Comfort.
Trusted local HVAC experts for homes & businesses since 1990.
Comfort starts with trust. For over 30 years, we’ve kept Colorado families and businesses comfortable with honest service and dependable care.
From furnace repairs to full commercial installs, we show up with smart solutions and a team you’ll feel good about inviting into your space.
COMPLETE CLIMATE SOLUTIONS
Heating
System installation, furnace and boiler repairs, seasonal inspections, and energy-efficient upgrades to keep your home warm and comfortable all winter.
Cooling
New air conditioning installations to quick diagnostics and repairs, ensuring your home stays cool, efficient, and ready for the Colorado heat.
Indoor Air Quality
Whole-home filtration, humidity control systems, and air purification solutions that reduce allergens, dust, and airborne contaminants.
Maintenance Plans
Seasonal tune-ups, full system inspections, and priority scheduling to prevent breakdowns and keep your heating and cooling running at peak performance.
THE SJS ADVANTAGE


Competitive Pricing
Upfront, honest pricing with no surprises; quality service that fits your budget.

Energy-Efficient Solutions
Systems that save energy and lower monthly bills.

Certified Technicians
Skilled professionals who get the job done right the first time.

100% Satisfaction Guarantee
We stand behind every service and make sure you are completely satisfied.

Rapid Response: 24/7 Emergency Services
Always on call for urgent repairs whenever you need us most.
WHAT OUR CLIENTS SAY
Real Stories From Our Customers
1
Lori M | Berthoud, CO
These guys are excellent. We always use SJS. They recent came out to our home to put in a gas line for my new stove. The work was done promptly, professionally, and perfectly! You won’t be disappointed.
2
Trista B | Northglenn, CO
Steve installed a unit to handle the heating and air conditioning in the upper level of our house!! It's going to be nice! Quick, clean, and clearly experienced. We’re excited to finally have year-round comfort upstairs!
3
Gary D | Thornton, CO
From the first phone call to the final walkthrough, they were outstanding. They were professional and really took the time to explain everything in a way that made sense. You can tell they care about doing things right. It’s rare to find that level of service these days. Highly recommend!