Trusted Heating Expert Serving Boulder County
John Loos
As the owner/operator of Loos & Sons HVAC LLC, I’m proud and dedicated to providing excellence in residential HVAC services. I am committed to delivering reliable heating services and always ensuring energy-efficient comfort for lasting system performance throughout Boulder County and nearby communities.
Meet the skilled expert dedicated to keeping your home comfortable year-round.
Hear from our clients who trust us for reliable heating and cooling solutions throughout Boulder County.
Loos & Sons delivered prompt, expert service that restored comfort to our home with exceptional care.
Emily R.
Homeowner, Boulder
John was professional and efficient, making sure our heating system was running perfectly before winter.
Mark T.
Homeowner, Boulder
Johns thorough diagnostics and expert repairs brought outstanding improvements to our HVAC performance.
Samantha K.
Resident, Longmont