Find an IRA Registered Contractor
IRA Registered Contractors have met the program's standards of certification, licensing and training. Pick one to guide your project — newly approved contractors appear here automatically.
Displaying 1–25 of 748 contractors · List updated September 29, 2026
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Absolute Comfort HOMESHEAR 20 W MADISON ST, Darien, WI 53114 · Walworth County (262) 215-6343 atypjw@gmail.comHVAC
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Absolute Comfort HVAC LLC HOMESHEAR 30913 SHADY LN, Waterford, WI 53185 · Racine County (262) 880-5171 brentsnow@absolutecomfort.bizHVAC
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Accu-Clime Mechanical Services LLC HOMESHEAR 3030 LAURA LN STE 110, Middleton, WI 53562 · Dane County (608) 273-4200 jm.accuclime@yahoo.comHVAC
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Accurate Airtight Exteriors LLC HOMESHEAR 3336 COMMERCIAL AVE, Madison, WI 53714 · Dane County (866) 582-4320 torrancek@a-aexteriors.comHome Energy Assessment, Insulation
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Adam's Custom Electric LLC HEAR N987 US HIGHWAY 51, Arlington, WI 53911 · Columbia County (608) 712-6387 adamscustomelectric@hotmail.comElectrical
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Advanced Comfort Systems Inc HOMESHEAR 1130 MICHIGAN AVE, Oostburg, WI 53070 · Sheboygan County (920) 564-2333 Jim@advancedcomfortsystems.netHVAC, Heat Pump Water Heater
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Advanced Custom Geothermal LLC HOMES PO BOX 255, Kiel, WI 53042 · Manitowoc County (920) 894-3999 sean@advancedcustomgeothermal.comHVAC, Geothermal, Heat Pumps
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Advanced Plumbing Systems HEAR 1416 CALEDONIA ST, La Crosse, WI 54603 · La Crosse County (608) 796-9978 advancedplumbingsystemsllc@gmail.comWater Heater, Heat Pump Water Heater
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Affordable Heating & A/C Inc HOMESHEAR 4630 S KINNICKINNIC AVE, Cudahy, WI 53110 · Milwaukee County (414) 481-2727 kathy@affordablehtg.comHVAC, Water Heater, Heat Pump Water Heater
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AgSun Corporation HOMES PO BOX 1617, Janesville, WI 53547 · Rock County (608) 756-8633 Scott@agsuncorp.comElectrical
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A+ Insulation Services HOMESHEAR W28721 US HIGHWAY 10, Eleva, WI 54738 · Trempealeau County (715) 577-0304 brandon@apluseauclaire.comInsulation
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Air Care Inc. HEAR W8238 STATE RD 33, Beaver Dam, WI 53916 · Dodge County (920) 356-8860 chadg@aircareinc.comHVAC, Geothermal, Heat Pumps
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Air Titan Heating & Air Conditioning HEAR N21W5308 PIERCE CT, Cedarburg, WI 53012 · Ozaukee County (414) 750-3446 ben.ernster@yahoo.comHVAC
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All Comfort Services Inc HEAR 5245 VOGES RD, Madison, WI 53718 · Dane County (608) 838-7300 esherwood@allcomfortservices.comHVAC, Water Heater, Heat Pump Water Heater, Heat Pumps, Electrical
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All Energy Solar Inc HEAR 5 MARSH CT, Madison, WI 53718 · Dane County (715) 410-8747 brian.allen@allenergysolar.comSolar PV, Electrical
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All Nations Solar and Electric LLC HEAR W1294 REDTAIL DR, De Pere, WI 54115 · Outagamie County (920) 661-7577 gemanthe@gmail.comElectrical
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All-Phase HVAC LLC HEAR 1804 SHALER DR, Waupun, WI 53963 · Dodge County (920) 763-2301 allphasecomforts@gmail.comHVAC, Heat Pumps
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All Service Heating & Cooling LLC HEAR E2101 STATE ROAD 29, Menomonie, WI 54751 · Dunn County (715) 340-3441 allserviceheating22@gmail.comHVAC, Heat Pumps
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Alternative Trends LLC HEAR 1619 260TH ST, Emerald, WI 54013 · St Croix County (715) 265-4707 info@alternativetrendsllc.comHVAC, Heat Pumps, Electrical
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Altitude Efficiencies LLC HEAR 4321 W COLLEGE AVE STE 200, Appleton, WI 54914 · Outagamie County (801) 636-4271 lance@altitudeefficiencies.comInsulation
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Amax Heating and Cooling LLC HEAR 2393 EFFINGHAM WAY, Sun Prairie, WI 53590 · Dane County (608) 896-6778 Carl@amaxhvacr.comHVAC, Heat Pumps
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A.M. Heating & Cooling LLC HEAR 2596 COUNTY RD D, Woodville, WI 54028 · St Croix County (715) 698-2426 megan@amhtg.comHVAC, Heat Pumps
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Anderson Electric LLC HOMESHEAR 617 W 7TH ST, Washburn, WI 54891 · Bayfield County (715) 209-6703 Anderkinelec@yahoo.comElectrical
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Anderson Heating LLC HOMESHEAR 1446 7TH ST, Houlton, WI 54082 · Saint Croix County (715) 549-6297 alexw@andersonheating.bizHVAC, Heat Pumps
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Andrie Electric LTD HEAR 520 N EAST AVE, Dresser, WI 54009 · Polk County (715) 755-3656 jared@andreielectric.comElectrical