We show up when we say we will. Expert heating, cooling, and indoor air quality services backed by a 5-star guarantee — built for Wisconsin homes.
Whether you need a late-night furnace repair, a new air conditioning installation, or routine maintenance to keep your system running efficiently, our factory-trained technicians are ready to help. We service all makes and models.
Locked-in 2026 pricing from our team. Prices rise every year — current ranges below.
Installed price range (2026): $8,400 – $12,400. Projected 2027 price: $11,700.
What swings the quote:
Installed price range (2026): $6,200 – $10,600. Projected 2027 price: $9,300.
What swings the quote:
Installed price range (2026): $11,500 – $17,500. Projected 2027 price: $15,400.
What swings the quote:
Installed price range (2026): $16,800 – $25,700. Projected 2027 price: $22,400.
What swings the quote:
Ready to lock in today's price? Call 2626718999 or email [email protected].
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60-second quiz
Six questions → furnace, heat pump, or ductless — with honest reasoning and our published ranges.
Find my matchThree quick steps
Book in three steps, grab your own slot online, or call — no-heat and no-AC calls jump the line 24/7.
Book serviceVerified July 2026
Focus on Energy discounts and Wisconsin's HEAR/HOMES programs, source-linked — and the dead federal credit labeled dead.
See the rebatesOr skip all of it — call 262-671-8999 and talk to a human. Answered 24/7.
“We do HVAC the right way — no rushed installs, just clean, professional work calibrated for the long haul.”— Shane Herro, Owner
We believe in doing HVAC the right way. That means clear explanations, honest recommendations, and professional installations that last. Our owner is actively involved in the field, ensuring every job meets our high standards. With our 24/7 emergency service, you are never left out in the cold.
Keep your heating and cooling systems running at peak performance year-round. Our club membership offers routine maintenance, priority scheduling, and exclusive discounts to ensure your home stays comfortable and your energy bills stay low.
Pull the sliders to match your home — typical visits per year, what repairs usually run, and whether you're planning a new system soon. We do the math the way Shane does it on a service call: line by line, no hidden assumptions.
Most Waukesha County homeowners see 1–3 service calls a year between AC and heat.
Average parts + labor when something needs fixing.
Planning a new install within 5 years?
Annual value
$876
vs $300 / yr membership
5-year net savings
$2,880
Pays for itself in month 1
Numbers are estimates based on On Time's published rates. Actual savings vary by your system and usage. Placement: homepage.
We offer honest, competitive pricing year-round. Here are some ways we help you save on premium HVAC service.
Serving Waukesha, WI and 40+ surrounding communities.
We believe everyone deserves a comfortable home. That's why we partner with Wisetack to offer flexible, transparent financing options for your new HVAC installations and major repairs — convenient monthly payments, zero hidden fees.
Simple, transparent consumer financing
We're proud to be the top-rated, 5-star HVAC company in Waukesha. See what your neighbors are saying about On Time Heating & Cooling.
From new installations to full system replacements, see the craftsmanship and attention to detail we bring to every project.
We live and work in the communities we serve. Our team provides fast, reliable HVAC services to homes throughout the region.
The Learning Center is how Shane teaches what he'd tell a neighbor over the fence — honest answers, no jargon, no upsell. Pick the path that fits where you are.
Plain-English explainers on furnaces, AC, heat pumps, IAQ, boilers, ducts, and what Wisconsin code actually requires for your install.
Featured: HVAC permits in Waukesha County →Buying guides, repair-vs-replace decision math, and the truth about heat pumps in southeast Wisconsin — written by owner-techs, not marketers.
Featured: Is a heat pump worth it in Wisconsin? →On The Dot Club value math, Wisetack 0% financing reality, and our free second opinion on another company's quote.
Featured: Get a free second opinion →Whether it's a midnight furnace failure or a weekend AC breakdown, our team is ready to help. Call us anytime — we are On Time, every time.
