A broken HVAC system in Random Lake, WI isn't a someday problem. FH HVAC dispatches a certified local tech with upfront pricing and a real ETA within minutes of your call.

If you've ever called an HVAC company in Random Lake, WI and gotten a runaround about pricing, availability, or what's actually wrong with your system, you know exactly why we built FH HVAC the way we did.
Our Random Lake, WI technicians are dispatched from positions close to your neighborhood, hold active WI contractor licenses, and carry NATE certification and EPA 608 credentials. They understand the local building stock, the climate demands specific to this area, and the brands most prevalent in Random Lake, WI homes and businesses.
Our written quote comes before work starts. Our 90-day guarantee is on every invoice. That's the whole system. It works because it's simple and we actually follow it.
Every service below is on the table for Random Lake, WI — licensed, insured, guaranteed.
If your HVAC system just stopped working in Random Lake, WI, you don't have time for voicemail or a 48-hour wait list. Calling +1-844-586-3138 connects you to a live Random Lake, WI dispatcher immediately. A licensed technician gets rolling toward your address with an ETA before you hang up. Our trucks carry the most common repair parts for Random Lake, WI's prevalent HVAC systems, so we resolve most Random Lake, WI emergency calls without a return trip. Your written quote comes before we start — always.
Emergency Line in Random Lake, WI: +1-844-586-3138 →From a full new installation in your Random Lake, WI home to a targeted repair on an older system, our residential team brings the right tools and the right knowledge of the systems common in this market. We never guess system size in Random Lake, WI. Every new installation starts with a Manual J load calculation. Getting this wrong means a system that cycles constantly and fails years ahead of schedule. All major brands serviced. All WI permits handled.
Book Random Lake, WI Home Visit: +1-844-586-3138 →A broken HVAC system in your Random Lake, WI office, restaurant, or retail space translates directly to lost productivity or lost revenue. Depending on your industry, it can mean health code violations, cancelled appointments, or closed doors. FH HVAC's commercial team handles rooftop units, large split systems, VRF and chiller work, and ongoing maintenance agreements for commercial properties throughout Random Lake, WI. We work around your schedule.
Random Lake, WI Commercial Service: +1-844-586-3138 →Random Lake, WI residents deal with indoor air quality challenges that depend on the season — high humidity in summer, dry air in winter, allergens and dust year-round. FH HVAC installs and services HEPA filtration upgrades, whole-home UV germicidal systems, dehumidifiers and ERVs configured for Random Lake, WI's specific conditions. If someone in your Random Lake, WI household manages asthma or allergies, improving indoor air quality is one of the most direct improvements available.
Random Lake, WI Indoor Air Quality: +1-844-586-3138 →Heat pump and ductless mini-split installations in Random Lake, WI have picked up significantly as homeowners see the efficiency and dual-season benefits. For additions, garages, and converted spaces in Random Lake, WI where ductwork would mean opening walls, ductless is typically the right call. Our technicians are factory-trained on all major brands and can handle everything from initial installation through refrigerant service and annual performance checks.
Random Lake, WI Ductless & Heat Pump: +1-844-586-3138 →The Random Lake, WI maintenance plan customers who call us least often aren't the ones with the newest systems — they're the ones who get tuned up twice a year. Two full tune-ups per year, priority scheduling when the season peaks and wait times go long, a 15% discount on any repair parts and labor, and a written condition report after every visit. Members frequently tell us the plan paid for itself on the first avoided repair.
Maintenance Plan in Random Lake, WI: +1-844-586-3138 →


No surprises. No mystery. This is exactly what happens when you call FH HVAC in Random Lake, WI.
Real person. Real-time. Not a bot or a callback queue. Your location is logged and dispatch starts immediately.
We route the closest available tech in Random Lake, WI. Your ETA is confirmed before you hang up — average is under 60 minutes in most Random Lake, WI locations.
You get the full price in writing before anything starts. Nothing begins until you've reviewed and approved it.
The job gets done right and backed by a 90-day parts and labor guarantee. If it fails within the window, we come back at no charge.
These are operating standards, not taglines.
Verbal quotes are how Random Lake, WI customers end up with invoices they didn't agree to. Every Random Lake, WI job starts with a written, itemized quote you sign before work begins.
Our technicians are staged near Random Lake, WI — not routed from a central depot an hour out. Average on-site time in this market is under 60 minutes, including during peak summer and winter demand.
Active WI license. General liability. Workers' comp. NATE certification. EPA 608. Documentation available before any Random Lake, WI job.
If a repair we did in Random Lake, WI fails within 90 days, we return and fix it at no charge. The guarantee appears on your invoice because verbal assurances aren't guarantees.
We staff live dispatchers around the clock in Random Lake, WI specifically because HVAC emergencies don't ask permission. Dispatch is confirmed, not promised.
When demand peaks in Random Lake, WI and general wait times stretch out, plan members have reserved slots. Plus 15% off parts and labor on any repairs caught at service visits.
"In Random Lake, WI on a July weekend with no AC, I expected a two-day wait. FH HVAC had a tech there in under an hour. Same-day fix, exact quoted price. Nothing like I've experienced with other contractors."
"We run a small retail shop in Random Lake, WI and our HVAC went down on a Tuesday during a sale event. FH HVAC had a commercial tech there within the hour, the issue was a failed contactor, and we were back to normal temperature before we lost foot traffic. The price was exactly what they said. Five stars, no question."
"Two years on the FH HVAC maintenance plan in Random Lake, WI. They caught a slow refrigerant leak at the spring tune-up. That one catch saved me an August emergency repair at full price. The plan has been worth it three times over."

You shouldn't have to wait days for Heat Pump Repair service in Random Lake, WI. Call +1-844-586-3138 and get a real ETA within minutes.
📞 +1-844-586-3138 — Heat Pump Repair in Random Lake, WI, 24/7