Best Furnace Replacement Companies in Las Vegas, NV
What to look for in Furnace Replacement in Las Vegas
Furnace replacement is a 15-year decision — installer authorization and labor-warranty length matter as much as the equipment itself. A premium furnace installed by an unauthorized shop loses both manufacturer-warranty coverage and the labor-warranty backstop on the install.
- Furnace replacement specialization. Provider lists full furnace replacement (not just repair) as a service line — heat-load calc, gas-line work, venting, condensate handling for high-efficiency.
- Manufacturer authorization. Named factory-authorized dealer (Carrier, Trane, Lennox, Bryant, Rheem, Goodman, York). Unlocks the extended parts warranty (typically 10 years vs the 5-year baseline).
- Labor warranty length. Multi-year labor warranty on the install — measures the installer's confidence in their own workmanship. 5-year is competitive; 10-year is best-in-class.
Verify before you book
- Active manufacturer-dealer status in the OEM's directory — we accept self-claimed.
- Whether the labor warranty applies to the specific equipment SKU you're quoted — some warranties are dealer-funded, some manufacturer-funded.
- Pulled permits for the install — required in most jurisdictions; some shops skip them. Always ask for the permit number after the work.
Furnace Replacement in Las Vegas: dealer authorization + warranty
Furnace replacement separates pros from generalists on three published facts: manufacturer authorization tier, labor warranty length, and financing terms. Here is what each of the 4 contractors below publishes: In Nevada, HVAC contractors hold an NSCB C-21 (refrigeration / air conditioning) license — verify on nscb.nv.gov before paying.
Top picks
- Mfg dealer: Lennox Premier Dealer
- NATE: ✓
- Financing: ✓
- Years: 10+
Google 4.9★ (3,265+)
- Warranty: 5-Year
- Financing: ✓
- Years: 15+
Google 5.0★ (450+)
- Mfg dealer: Lennox Premier Dealer
- Financing: ✓
- Years: 15+
Google 4.8★ (540+)
- Mfg dealer: Mitsubishi Diamond Dealer
- Warranty: 10-Year
- Financing: ✓
- Years: 15+
Google 5.0★ (1,155+)
Typical Furnace Replacement costs in Las Vegas, NV (2026)
Last updated
Estimated ranges for Las Vegas, NV. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Furnace replacement (installed) | $2,800–$7,900 |
| High-efficiency 95%+ AFUE upcharge (over standard 80%) | $740–$1,850 |
| Gas line + venting modification (if repositioned) | $280–$1,100 |
| Furnace + AC dual-system replacement (installed) | $7,400–$16,700 |
See how Las Vegas compares to 90+ US cities: HVAC Cost Index →
Las Vegas has prolonged, high summer temperatures that make rapid repairs and efficient cooling essential. Choosing the best HVAC companies in Las Vegas, NV affects comfort and energy bills; pick contractors who offer fast emergency response and reliable high-SEER installs.
How much should Las Vegas residents expect to prioritize licensing, response time, and SEER2 requirements?
- Replace a gas furnace with another gas furnace, or switch to a heat pump?
- Stay with gas if your winter design temp is below 0°F and you have cheap natural gas — heat pumps still derate in extreme cold. Switch to a heat pump if winters are mild AND electricity isn't 2× the national rate AND a state rebate stacks. Run 10-year operating costs, not just install price.
- What AFUE rating should I look for in a new gas furnace?
- 95–98% AFUE for cold climates (condensing furnace; requires PVC venting and a condensate drain). 80% AFUE is acceptable in mild climates where the high-efficiency install premium doesn't pay back. Skip the 92–94% band — the price-to-efficiency curve is bad there.
- How do Clark County's 2021 IECC amendments affect AC replacements and duct work?
- Clark County's adoption of the 2021 IECC (effective January 11, 2026) tightens duct-sealing and insulation requirements for Climate Zone 3. Contractors must document compliance with those duct-sealing standards when performing replacements or major repairs. Request written confirmation that the job meets county code before final payment.
- When is the busiest season for Las Vegas HVAC contractors and how does that affect scheduling?
- Late spring through summer is busiest due to prolonged high temperatures and heatwaves. Book routine maintenance before May to avoid long waitlists. For installations, schedule early-season appointments to secure parts and technician availability during peak demand.
- How can homeowners find a mini-split or heat-pump specialist in Las Vegas?
- Look for technicians with manufacturer dealer status, documented retrofit experience in Climate Zone 3, and installation photos or case studies for similar homes. Verify warranty handling and EPA Section 608 certification. Check recent local reviews mentioning mini-split installs in neighborhoods like Summerlin or Downtown Las Vegas.
- How do I get a quote from these HVAC companies?
- Submit one request on this page and we send it to the vetted HVAC pros in Las Vegas, NV listed here. They send quotes back — no obligation.