6 Best Furnace Replacement Companies in Olympia, WA (2026)
Why Olympia, Washington homeowners search for "Furnace Replacement" sooner than they expect
Colder, damp winters and older heating systems push many households to replace aging furnaces before failures create cold nights. Searches for the best furnace replacement companies in Olympia, WA spike in fall as homeowners compare warranties and licensing. Searches for the best furnace replacement companies in Olympia, WA spike in fall as homeowners compare warranties, contractor licensing, and local availability. Planning ahead reduces emergency replacements and helps secure preferred scheduling.
Quick Picks
Awards based on the same publicly available signals as the Vouched Score, including provider-stated certifications and dealer status. Not independently verified.
What separates these 6 Olympia, Washington "Furnace Replacement" providers on reviews and longevity
| # | Provider | Score | Years | Best for | |
|---|---|---|---|---|---|
| 1 | BBlack Hills, Inc. | 88 | 4.8 (5,930+) | ★ Highest Vouched ScoreHigh-Efficiency (95%+ AFUE) Upgrades | |
Editorial: Furnace replacement and whole-home heating installs are a core service for Black Hills, Inc.. Their site notes training on high-efficiency HVAC systems. Black Hills, Inc. highlights a Comfort Pass with tune-ups and priority booking. Black Hills, Inc. advertises background-checked technicians and 24/7 emergency response. Winters in Olympia strain heating systems, and the company cites regional experience across the Puget Sound. Strengths:
Reviewers praise:
When to choose them
| |||||
| 2 | OOlympic Plumbing Technology | 86 | 4.9 (2,095+) | 19+ | Gas Furnace ReplacementNATE-Certified Installer |
Editorial: Olympic Plumbing Technology advertises focused gas furnace replacement work for the South Sound area. The company lists NATE-certified technicians on staff. Olympic Plumbing Technology states flat-rate pricing and quick financing options. Olympia's damp winters and older housing stock increase combustion-safety importance locally. Reviews cite punctual crews and upfront pricing experiences. Strengths:
Reviewers praise:
When to choose them
| |||||
| 3 | GG&G Heating & Air Conditioning | 86 | 4.9 (1,700+) | 42+ | Commercial Furnace Replacement |
Editorial: G&G emphasizes furnace replacement work and full-system heating jobs. The company notes factory-trained technicians on staff. G&G reports 24/7 emergency and same-day response availability. Founded in 1984, G&G has served the Olympia area for decades. Review excerpts praise fast, documented diagnostics and quick repairs. Strengths:
Reviewers praise:
When to choose them
| |||||
| 4 | BBlues Heating and Air | 83 | 5.0 (400+) | Honest Replace-vs-Repair | |
Editorial: furnace replacement work is listed with concrete project experience and local installs. Blues Heating and Air states a Flat, Upfront Pricing Guarantee on its website. The company advertises same-day emergency response for urgent heating failures. Blues Heating and Air states it provides an honest assessment and no-pressure maintenance. Local reviewers note photo documentation and thorough explanations during installs. Strengths:
Reviewers praise:
When to choose them
| |||||
| 5 | HHarts Plumbers, Electricians, & HVAC Technicians | 80 | 4.9 (670+) | 13+ | Furnace + AC Changeout |
Editorial: Harts lists furnace replacement and full-system changeouts as a core specialty. Strengths:
Reviewers praise:
When to choose them
| |||||
| 6 | PPacific Air Heating and Air Conditioning, Inc. | 78 | 4.8 (230+) | 38+ | |
Editorial: Furnace replacement is a highlighted service at Pacific Air Heating and Air Conditioning. Strengths:
Reviewers praise:
When to choose them
| |||||
| 7 | AAIR HANDLERS | 71 | 5.0 (65+) | ||
Editorial: Air Handlers shows a five-star Google rating from 69 reviewers. The company lists an Olympia address on Arab Dr SE. Per their website, they advertise furnace and heating services. Olympia's cool, wet winters increase furnace use and venting concerns for installs. Strengths:
| |||||
| 8 | AAlpine Ductless Heating, Cooling and Electrical | 70 | 4.8 (300+) | ||
Editorial: Alpine Ductless focuses on ductless heat pump installations and related electrical services. The company lists free estimates on its website. Alpine Ductless advertises rebate guidance for qualifying heat pump projects. Olympia's mild, wet winters make efficient electric heat pumps a common retrofit choice here. Strengths:
| |||||
| 9 | CComfort Air Systems | 64 | 5.0 (20+) | ||
Editorial: Furnace replacement is a core offering for Comfort Air Systems in Olympia and nearby towns. Comfort Air Systems lists flat-rate pricing with no surprise charges, per their site. Olympia's cool, wet winters increase seasonal furnace and heat-pump demand locally. Comfort Air Systems advertises financing and free estimates through their online scheduling form. Strengths:
Reviewers flag:
When to choose them
| |||||
| 10 | OOlympia HVAC Heating Service | 58 | 5.0 (7) | ||
Editorial: Olympia HVAC Heating Service lists a storefront at 1500 Cooper Point Rd SW. The Pacific Northwest's damp winters raise combustion venting importance. The business appears to serve residential heating customers across Olympia. Homeowners should ask about Manual J sizing and combustion testing before large changeouts. Reviewers flag:
| |||||
Typical Furnace Replacement costs in Olympia, WA (2026)
Last updated
Estimated ranges for Olympia, WA. Actual cost varies with home size, equipment, and scope — always request a written quote for your job.
| Service | Typical range |
|---|---|
| Full gas furnace replacement (80% AFUE, installed) | $3,150–$6,850 |
| High-efficiency condensing furnace (95%+ AFUE, installed) | $4,750–$10,050 |
| Modulating / two-stage variable-speed (ECM) furnace upcharge | $635–$2,100 |
| Condensing-furnace venting + condensate conversion (80%->95% AFUE) | $635–$1,900 |
| Gas line / electrical / permit modification (changeout) | $160–$950 |
| Electric furnace / air-handler replacement (installed) | $2,100–$5,300 |
Nearby Washington furnace replacement pricing: Auburn · Bellevue · Bellingham
See broader context: Furnace Replacement pricing in Washington · Furnace Replacement pricing nationwide
How were these Olympia "Furnace Replacement" providers evaluated and what should homeowners weigh?
This guide evaluated 6 Olympia furnace replacement providers on review sentiment, verified emergency response, pricing models, and advertised certifications. Emphasis was on Google review volume and provider-stated signals like flat-rate pricing, NATE certification, emergency availability, and financing options. Findings draw on Google Maps data and public provider statements.
- Black Hills, Inc. shows 4.8/5.0 across 5,930+ reviews and states 24/7 emergency response. This review volume informed reliability scoring, per Google Maps data.
- Olympic Plumbing Technology lists NATE certification, flat-rate pricing, and 24/7 emergency service. Years in business (15+) and pricing claims came from the provider's site and card data.
- G&G Heating & Air Conditioning reports 40+ years in business and 24/7 emergency response. Longevity and emergency claims came from the provider metadata.
- Blues Heating and Air advertises flat-rate pricing, an honest assessment policy, and a same-day emergency response. The provider also notes a satisfaction guarantee (advertised).
- Comfort Air Systems and Alpine Ductless state they offer free estimates; Comfort Air also lists financing and flat-rate pricing. These offerings were taken from provider-stated signals.
Aggregate metrics used included average rating (4.88/5.0), total reviews (11,436), emergency-service prevalence, and pricing model frequency, with reviewer volume weighted heavily per Google Maps data.
Per-BBB records and Google reviews were used to validate public claims and to cross-check longevity, accreditation, and visible complaint histories where available.
How do I choose a Furnace Replacement Company in Olympia?
- Verify licensing and any BBB accreditation listed for the provider.
- Compare flat-rate versus time-and-materials pricing.
- Confirm emergency response terms and advertised response windows.
- Request written estimates and warranty details for installed equipment.
- Check Google Reviews for recent volume and sentiment trends.
4 furnace replacement and seasonal issues Olympia homeowners report most often
The most common furnace replacement problems in Olympia stem from cold, damp winters and coastal humidity that accelerate corrosion and mold growth. Older systems suffer more frequent heat-exchanger failures, while mild-but-wet winters cause short cycling and reduced efficiency, prompting homeowners to replace furnaces sooner than expected.
- Corroded heat exchangers: Olympia's damp, coastal air speeds internal metal corrosion, raising the risk of cracks and unsafe operation. Corrosion often becomes evident after several wet winters and prompts replacement rather than repair.
- Mold and microbial growth in ductwork: Year-round humidity in Olympia encourages mold inside ducts and plenums, which can degrade indoor air quality and require furnace and duct replacement to fully remediate.
- Short cycling in mild winters: Homes in Olympia often use smaller heating loads; oversized or aging furnaces short cycle during mild, wet periods, reducing lifespan and increasing replacement frequency.
- Ignition and control failures from moisture: Persistent moisture in Olympia garages and basements corrodes electronic ignition modules and controls, causing intermittent failures that lead homeowners to replace older units.
- Rusted venting and flue components: Salt‑bearing coastal air and winter moisture accelerate rust in vents and flues around Olympia, creating safety concerns that commonly push owners toward full system replacement.
Why Olympia's size, seasonal note, and licensing rules matter when planning "Furnace Replacement"
Furnace replacement in Olympia responds to a dominant local condition: cold, damp winters that accelerate corrosion and short cycling. Homeowners in Olympia, Washington prioritize durable furnace types and certified installations, which increases demand for licensed, NATE-certified technicians and contractors who offer emergency service and clear pricing.
Local condition: Olympia's cold, damp winters and coastal humidity increase internal corrosion risks.
Impact: Corrosion shortens furnace life and raises safety concerns such as cracked heat exchangers.
Provider capability connection: Evaluated providers list furnace-type equipment and often recommend full replacement over repeated repairs.
Local condition: Mild-but-wet seasons cause short cycling in undersized or aging systems.
Impact: Short cycling reduces efficiency and stresses controls and ignition modules.
Provider capability connection: Several providers advertise 24/7 emergency service; 40% offer round-the-clock response for urgent failures.
Local condition: Year-round humidity promotes mold and moisture intrusion in ducts and plenums.
Impact: Mold growth can necessitate combined furnace and duct remediation to restore air quality.
Provider capability connection: Look for contractors who list furnace-focused solutions and experience with whole-system replacements.
Regulatory condition: Washington requires Department of Labor & Industries licensing and contractor registration.
Impact: Permits and licensed work are typically required for furnace replacement in Olympia.
Provider capability connection: Homeowners should prefer contractors with L&I compliance and NATE certification, which appears among evaluated providers.
What do Olympia homeowners ask most about "Furnace Replacement" and where do local rules matter?
- How do I get a quote from these furnace replacement companies?
- Submit one request on this page and we send it to the vetted furnace replacement pros in Olympia, WA listed here. They send quotes back — no obligation.
- What does furnace replacement service typically run in Olympia, WA?
- Full gas furnace replacement typically runs $3,150–$6,850, and high-efficiency condensing furnace runs $4,750–$10,050 in Olympia, Washington. See the Furnace Replacement pricing table on this page for the full per-service breakdown.
- Do Olympia furnace replacements require permits or L&I-licensed contractors?
- Yes. Furnace replacements in Olympia typically require Washington State Department of Labor & Industries (L&I) licensure and contractor registration. Homeowners should confirm a contractor's L&I number and that the firm files permits for replacement work before signing an estimate.
- Is a contractor's Department of Labor & Industries license enough to install high-efficiency furnaces in Olympia?
- Yes. A Department of Labor & Industries license allows contractors to perform furnace replacements, including high-efficiency units, when the installer holds the appropriate trade credentials. Ask for proof of L&I compliance and any manufacturer-dealer credentials for high-efficiency models.
- What does Olympia's contractor registration mean for homeowners hiring a furnace installer?
- Contractor registration means the company must be registered to operate and perform permitted work in Olympia. Hiring a registered contractor reduces permit- and inspection-related risks and helps ensure the job follows local code and inspection procedures.
- When are Olympia furnace companies busiest, and how does that affect same-day replacement?
- Olympia furnace demand peaks in cold, damp winter months when failures rise. During those peak weeks, same-day replacement becomes harder to schedule. Contact providers early and ask about emergency service availability and estimated lead times.
- Are gas furnace replacements subject to extra inspections or rules in Olympia?
- Yes. Gas furnace work often triggers additional safety checks and code-compliance inspections tied to permits. Verify that the contractor arranges required inspections and follows L&I safety standards for gas connections and venting.
- Do Olympia contractors handle combined furnace and AC replacements in one visit?
- Some contractors coordinate combined furnace and air-conditioning replacements to minimize repeat work. Ask prospective firms whether they schedule integrated installs, coordinate permits, and can match system sizing and controls across HVAC components.
- How do local climate and humidity in Olympia affect the choice of furnace efficiency or materials?
- Olympia's damp winters increase corrosion and moisture risks, which influence material and efficiency choices. Homeowners should discuss corrosion-resistant components, appropriate condensate handling, and lifetime expectations for high-efficiency furnaces.
- What factors most affect furnace replacement pricing in Olympia?
- Key factors include home age and access, required duct or vent modifications, permit and inspection complexity, and whether upgrades to gas piping or electrical service are needed. Seasonal demand and emergency timelines also influence final pricing.