Whether your system quit overnight or you've been limping along hoping it'd fix itself, FH HVAC sends a licensed technician to your Mercer Island, WA address fast — with a written quote and the parts to finish the job.

If you've ever called an HVAC company in Mercer Island, WA 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 Mercer Island, WA technicians are dispatched from positions close to your neighborhood, hold active WA contractor licenses, and carry NATE certification and EPA 608 credentials. They know the HVAC systems common in this market and the seasonal patterns that cause the specific failures we see most often in Mercer Island, WA.
Our written quote comes before work starts. Our 90-day guarantee is on every invoice. Simple, consistent, and we've held to it since day one.
Every service below is on the table for Mercer Island, WA — licensed, insured, guaranteed.
Your system quit in Mercer Island, WA and you need someone right now — not a callback. Calling +1-844-586-3138 connects you to a live Mercer Island, WA 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 Mercer Island, WA's prevalent HVAC systems, so first-visit fixes are the norm.. Your written quote comes before we start — always.
Emergency Line in Mercer Island, WA: +1-844-586-3138 →Whether you're replacing a system that finally gave up or dealing with a specific repair in your Mercer Island, WA home, the approach is the same. our residential team brings the right tools and the right knowledge of the systems common in this market. We never guess system size in Mercer Island, WA. Every new installation starts with a Manual J load calculation. Skip it and you end up with an oversized system that short-cycles and wears out early. All major brands serviced. All WA permits handled.
Book Mercer Island, WA Home Visit: +1-844-586-3138 →For businesses in Mercer Island, WA, HVAC failure means more than discomfort. 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 Mercer Island, WA. We work around your schedule.
Mercer Island, WA Commercial Service: +1-844-586-3138 →Mercer Island, WA 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 Mercer Island, WA's specific conditions. The impact on respiratory health is measurable and consistent for households that make this upgrade.
Air Quality Service in Mercer Island, WA: +1-844-586-3138 →More Mercer Island, WA homeowners are choosing heat pumps and ductless systems for their versatility and long-term efficiency. When you're adding conditioned space in Mercer Island, WA without an existing duct system, ductless is usually the cleanest solution. Our technicians are factory-trained on all major brands and can handle everything from initial installation through refrigerant service and annual performance checks.
Heat Pump Service in Mercer Island, WA: +1-844-586-3138 →The Mercer Island, WA 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. The plan covers two annual tune-ups, refrigerant checks, electrical inspection, coil cleaning, priority scheduling, and a 15% parts and labor discount year-round. Members frequently tell us the plan paid for itself on the first avoided repair.
Mercer Island, WA Service Plan Details: +1-844-586-3138 →


No surprises. No mystery. This is exactly what happens when you call FH HVAC in Mercer Island, WA.
A live dispatcher answers in Mercer Island, WA — day or night, weekends, holidays. Your location is logged and dispatch starts immediately.
The nearest WA-licensed technician is routed to your address. Most Mercer Island, WA customers have a tech on-site in under an hour.
After diagnosis, your Mercer Island, WA technician hands you a written, itemized quote. Nothing begins until you've reviewed and approved it.
The job gets done right and backed by a 90-day parts and labor guarantee. Call us back within 90 days for any covered issue and we return free.
These are operating standards, not taglines.
We don't quote jobs verbally in Mercer Island, WA. Every Mercer Island, WA job starts with a written, itemized quote you sign before work begins.
Proximity to Mercer Island, WA is intentional, not accidental. Average on-site time in this market is under 60 minutes, including during peak summer and winter demand.
Mercer Island, WA licensing, liability coverage, NATE cert, EPA 608. All current, all on file, all available to review before any job starts in Mercer Island, WA.
If a repair we did in Mercer Island, WA fails within 90 days, we return and fix it at no charge. It's on the invoice because a promise without documentation isn't worth much.
We staff live dispatchers around the clock in Mercer Island, WA specifically because HVAC emergencies don't ask permission. Dispatch is confirmed, not promised.
When demand peaks in Mercer Island, WA and general wait times stretch out, plan members have reserved slots. Plus 15% off parts and labor on any repairs caught at service visits.
"Called FH HVAC in Mercer Island, WA on a Saturday with a broken AC in summer weather. Had a real person immediately, tech was at the door in 52 minutes, had the part on the truck, and fixed it that afternoon. Invoice matched the quote exactly. Genuinely the best HVAC service call I've had in years of homeownership."
"Our Mercer Island, WA shop HVAC died during our busiest week. FH HVAC commercial team showed up fast, diagnosed accurately, had the part on the truck. Back to normal temperature before it cost us customers. Honest pricing on top of everything."
"I've been a FH HVAC maintenance plan member in Mercer Island, WA for two years. The spring visit caught a developing refrigerant leak in the evaporator coil and fixed it at the tune-up discount. That avoided what would have been an emergency call in August when it finally failed — and August emergency rates are not fun.

Don't sit with a broken system in Mercer Island, WA waiting on a callback that may or may not come. Call +1-844-586-3138 right now and speak to a live dispatcher who will get a licensed tech to your door fast.
📞 +1-844-586-3138 — Hvac Maintenance in Mercer Island, WA, 24/7