What Is a Communicating HVAC System, and Is It Worth It in Minnesota?
A communicating HVAC system uses a two-way data link between thermostat, furnace and outdoor unit. What it does, what it locks you into, and when it pays.
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Inver Grove Heights runs from older neighborhoods next to South St. Paul down to bluffs and open land in the south, covering far more ground than most first-ring suburbs.
We repair and replace furnaces, air conditioners, heat pumps, boilers and ductless mini-splits in Inver Grove Heights and across Dakota County. Every visit starts with a $79 trip charge and a written price before any work, and the $79 is waived when you go ahead with the repair.
Electricity in Inver Grove Heights comes from Xcel Energy or Dakota Electric Association depending on the address.
Updated September 23, 2026

Around town: Mississippi River · Pine Bend Bluffs Scientific and Natural Area · Inver Wood Golf Course · Veterans Memorial Community Center · U.S. Highway 52
Book in Inver Grove HeightsInver Grove Heights took its present shape in 1965, when the township and the old railroad village voted 1,380 to 331 to merge. The village had grown up after 1886 along the Chicago Great Western tracks near the river, with a railroad repair center, hotels and shops, and some of the city's oldest houses still stand near it. Houses from that era and the postwar years often have small basements with steep stairs and low doorways, which matters on install day.
The population rose from about 17,000 in 1980 to 22,500 in 1990, filling the middle of the city with split-entries, two-stories and townhome associations, many now on their second furnace and air conditioner. Newer subdivisions since then have added larger two-stories and walkouts on natural gas. South of the built-up area the land opens into bluffs and farm country, where homes on acreage may sit beyond the gas mains and run on propane.
Winter works differently across Inver Grove Heights. In the older neighborhoods, chimneys that have served furnaces and water heaters for 70 years are the main concern, and a draft test each fall catches trouble before a CO alarm does. In the rural south, propane homes depend on deliveries up long driveways, and vents on an open hillside can drift shut. Townhome rows in the middle of the city get their vents and meters buried under plow piles.
Townhome associations built in the 1980s and 90s have condensers of mixed ages lined up on shared pads, and when one owner replaces a unit, the association's rules on location and screening apply. Split-entries in the middle of the city keep the lower level cool and damp while the upper level warms. In the older neighborhoods, a condenser from the 1990s may still run on R-22, which makes a leak expensive to chase.
Gas in Inver Grove Heights comes from Xcel Energy, whose heating equipment rebates for high-efficiency gas furnaces point customers to participating contractors, so ask whether the rebate needs a registered contractor. Electricity comes from Xcel Energy or Dakota Electric Association depending on your address. Xcel customers have heat pump and AC rebates through its Trade Partner Network; Dakota Electric members have Energy Wise Rebates, including an AC tune-up rebate open to any contractor. Propane homes in the south can look at their electric utility's heat pump rebates.
Rebate programs change every year; check the utility's current terms before you buy. Our guides: Xcel and CenterPoint rebates, heat pump rebates, what happened to the federal credits.
Central Minnesota Heating and Cooling serves Inver Grove Heights and the rest of Dakota County, about 14 miles from downtown Minneapolis. We repair and replace furnaces, central air, heat pumps, boilers and ductless mini-splits, and we're open 7 days, 7am–9pm. Call 612-429-3465.
A flat $79 trip charge, waived when you approve the repair. Written price before any work; same prices in every town we serve. Installed prices are on our pricing page.
Start with carbon monoxide alarms: Minnesota law requires a working alarm within 10 feet of every sleeping room. Then have the venting looked at. In tight older basements, atmospheric appliances share a chimney and draw combustion air from a small space, and a blocked flue or cracked heat exchanger can push CO into the house. A tune-up should include a draft test and a CO reading at each appliance.
Those upper rooms sit under the roof slope with short knee walls and usually one or two small ducts, so central air struggles to reach them. Improving attic insulation and air sealing helps first. For cooling, a ductless head upstairs is often the most direct fix, since it doesn't depend on the old ductwork. Where there's a path, a dedicated return upstairs also helps the main system.
Almost always, though it takes planning. Old furnaces were often bulky and sometimes have to come out in pieces, while many new furnaces have narrower cabinets. We measure the stairway, doorways and any turns at the quote so nothing gets stuck on install day. If a coil or a taller condensing furnace won't clear a low beam, a different cabinet style or a horizontal setup can solve it.
Find the furnace and AC ages on their rating plates, since serial numbers often encode the manufacture date. Ask for a draft test and CO reading at the furnace and water heater, and look at the chimney top and liner. Note whether the condenser uses R-22, and ask the seller for service records. A tune-up and safety check before closing costs far less than a surprise in January.
A communicating HVAC system uses a two-way data link between thermostat, furnace and outdoor unit. What it does, what it locks you into, and when it pays.
Read the guideWater by the furnace in July? What's normal dripping and what's a leak, the usual causes (drain, pump, iced coil, cracked pan), and what to do right now.
Read the guideCentral AC brands for Minnesota's short, humid summers: SEER2 payback, humidity control, matching the coil to your furnace, and the R-454B and R-32 switch.
Read the guideBrands we service in Inver Grove Heights: AirEase · Amana · American Standard · Ameristar · Aprilaire · Arcoaire · Armstrong Air · Bosch · Broan-NuTone · Bryant · Buderus · Burnham · Carrier · Champion · Coleman · Comfortmaker · Concord · Daikin · Day & Night · Ducane · ecobee · Frigidaire · Fujitsu · Gibson · Goodman · Google Nest · Gree · Heil · Honeywell Home · Lennox · LG · Lifebreath · Lochinvar · Luxaire · Maytag · Midea · Mitsubishi Electric · MrCool · Navien · NTI · Payne · Peerless · Rheem · Rinnai · RunTru · Ruud · Samsung · Santa Fe · Tempstar · Trane · Triangle Tube · Utica Boilers · Viessmann · Weil-McLain · Westinghouse · York
Heat out in Inver Grove Heights? Call or send a request.