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High Tech Heating & A/C Inc.
A farmhouse on a frosty winter evening with warm light in the windows
Heating · Install, repair & maintenance

Heat that holds up to a Wisconsin January.

A no-heat call at 2 a.m., a new high-efficiency furnace before the first hard freeze, or a tune-up that keeps the old one going. We install, service and repair every brand.

What we do

Everything that keeps the house warm.

Trane and Daikin high-efficiency gas furnaces
Gas furnaces
High-efficiency Lennox, Daikin and Trane furnaces, sized to your home instead of guessed.
Boilers
Gas-fired condensing boilers and steam or hot-water systems for even, quiet heat.
Heat pumps
One system that heats in winter and cools in summer, paired with a furnace or on its own.
Ductless heating
Mini-splits for additions, sunrooms and the rooms your ductwork forgot.
In-floor heating
Warm floors for basements, bathrooms and new construction.
Garage & unit heaters
Modine and Reznor unit heaters for garages, shops and commercial spaces.
Oil furnaces
Service and replacement for oil-fired systems.
Water heaters
Replacement water heaters, installed by the same crew that knows your mechanical room.

Checklist

Signs your furnace wants attention

  • Some rooms are always colder than others
  • It turns on and off more than it used to
  • Gas bills are climbing for no clear reason
  • New banging, rattling or squealing
  • A yellow, flickering burner flame
  • It's 15+ years old and needs repairs often

Sound familiar? It's worth a visit.

Our service techs

Stocked trucks, real experience

Our service techs

Our trucks carry the parts to finish most repairs on the first visit, and every technician has real experience before stepping into your home.

“Sunday night went on the website and posted a service request. Received a call at 6:45am. By 7:30am Tech was in my basement and diagnosed the problem.”

Mike · Google review

Questions

Good to know.

Cold house? Let's fix that.

Book a repair or a furnace tune-up, or call the 24-hour line if it can't wait.