Garrett Mechanical

Marietta, GA Furnace Replacement · #4 of 8 · NATE-certified · 16+ yrs

VOUCHEDSCOREEXCELLENT82/100Vouched Score is calculated from publicly available signals: Google rating & review count, Yelp rating, BBB grade, review sentiment, years in business, local search ranking, and provider website content. Not a guarantee of service quality.Embed this score
⏱ 16+ years in business Yelp 3.4★ (10+) EPA Certified · NATE Certified Review sentiment: 82/100

At a glance

Google rating
4.9★ from 1,075+ reviews
In business
16+ years
Yelp
3.4★ from 10 reviews
Services
2 Furnace Replacement services
Service area
Marietta, GA + 1 nearby

Overview

Editorial review

Furnace replacement work is a core focus, with furnace and full-system jobs noted. Garrett Mechanical lists Carrier Authorized dealer status for installs. Garrett Mechanical reports NATE-certified technicians on staff. The company cites same-day emergency response across Metro Atlanta. Serving Marietta means readiness for occasional cold snaps and nearby suburban housing stock.

Furnace replacement and full HVAC system changeouts across Marietta and Metro Atlanta. NATE-certified technicians and Carrier Authorized dealer status are listed. Emergency same-day response and 0% financing options are advertised. Years in business stated as 15+ years.

Vouched Score breakdown — 82/100

Above the Marietta, GA Furnace Replacement average of 80/100. Ranks #4 of 8 listed Furnace Replacement providers in Marietta, GA.

Editorial Review 87 44%
Yelp Rating 60 3%
Google Rating 97 16%
Local Search Rank 44 9%
Review Sentiment 82 14%
Years in Business 70 4%
Google Review Volume 82 9%

Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →

How Garrett Mechanical compares to the Marietta average

Across 8 vetted furnace replacement providers in Marietta, GA.

SignalGarrett MechanicalMarietta avgDelta
Vouched Score 82/100 80/100 +2 vs avg
Google rating 4.9★ 4.9★ matches city average
Review volume 1,075+ 5,390+ -4313 vs avg
Years in business 16+ 41+ -25 vs avg

What customers say

Pros & cons

Pros Verified strengths
  • High Google rating (4.9★ across 1,075+ reviews)
  • Long-established (16+ years in business)
What this provider advertises

Self-reported on their website — not independently verified.

  • Authorized Carrier Authorized Dealer
  • NATE-certified technicians
  • Background-verified team
  • Emergency response: same-day
  • Financing available
  • Flat-rate, upfront pricing
What customers praise
same-day responseupfront pricingbackground-checked technicians
Cons
  • Lower Yelp rating than Google (3.4★ vs 4.9★)
What reviewers flag
yelp ratingrating divergence

When to choose them — and when to consider alternatives

Choose them if
  • You need same-day furnace replacement
  • You need furnace + AC system replacement
  • You need same-day or after-hours service
  • You want manufacturer-warranty installation work
  • You need to finance the work
Consider alternatives if
  • Reports of rating divergence would be a deal-breaker for you
  • Reports of yelp rating would be a deal-breaker for you
  • You want a BBB-rated firm specifically

Services

Service area

Marietta, GA home · Replacement Marietta, GA home

Office: 321 Marble Mill Rd NW Ste 100, Marietta, GA 30060, USA

Neighborhood: 321 Marble Mill Rd NW Ste 100, Marietta, GA 30060, USA

What Garrett Mechanical publishes about pricing

Financing

  • 0% financing
    As published: 0% financing
    "…t SAME-DAY SLOTS AVAILABLE 500+ Five-Star Reviews 0% Financing Available ATLANTA'S TRUSTED HOME COMFORT EXPERTS…"
  • Financing available
    As published: Financing available
    "…AME-DAY SLOTS AVAILABLE 500+ Five-Star Reviews 0% Financing Available ATLANTA'S TRUSTED HOME COMFORT EXPERTS Profession…"

Pricing model

  • Upfront pricing
    As published: Upfront pricing
    "…r time window Choose the slot that works for you. Upfront pricing No surprises — full quote before work starts. Lic…"
  • Transparent pricing
    As published: Transparent pricing
    "…r $XXX Parts $XXX Total $XXX Approved Before Work Transparent pricing with no hidden fees. You know the cost before we…"
  • No hidden fees
    As published: No hidden fees
    "…XXX Approved Before Work Transparent pricing with no hidden fees. You know the cost before we start the work. Flex…"

Guarantees & credentials

Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.

Contact & hours

Frequently asked questions

What are the pros of Garrett Mechanical?
Based on public records and customer reviews: High Google rating (4.9★ across 1,075+ reviews); Long-established (16+ years in business); Authorized Carrier Authorized Dealer; NATE-certified technicians; Background-verified team; Emergency response: same-day; Financing available; Flat-rate, upfront pricing.
What are the cons of Garrett Mechanical?
Concerns flagged from public records and reviews: Lower Yelp rating than Google (3.4★ vs 4.9★).
When should I choose Garrett Mechanical?
Choose them if: You need same-day furnace replacement; You need furnace + AC system replacement; You need same-day or after-hours service; You want manufacturer-warranty installation work; You need to finance the work.
When should I consider alternatives to Garrett Mechanical?
Consider alternatives if: Reports of rating divergence would be a deal-breaker for you; Reports of yelp rating would be a deal-breaker for you; You want a BBB-rated firm specifically.
What is the Vouched Score for Garrett Mechanical?
82/100. Top contributing signals: Google Rating 97/100, Llm Score 87/100+ Review Sentiment 82/100. The score blends public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment.
How long has Garrett Mechanical been in business?
Garrett Mechanical has been operating for 16+ years in Marietta, GA.
What does furnace replacement service typically cost when working with a Marietta, GA provider like Garrett Mechanical?
Full gas furnace replacement typically runs $2,650–$5,700, and high-efficiency condensing furnace runs $3,950–$8,350 in Marietta, Georgia. These are area-wide market estimates, not Garrett Mechanical's quotes. For an exact price, request a written estimate from Garrett Mechanical.
What pricing terms does Garrett Mechanical publish on their website?
Garrett Mechanical's website publishes: 0% financing, Upfront pricing. Promotions and plans change — confirm currently-available terms with Garrett Mechanical before acting.
Does Garrett Mechanical do Furnace Replacement in Marietta, GA?
Yes. Garrett Mechanical lists Furnace Replacement among its services and serves Marietta, GA and Replacement Marietta, GA.
Does Garrett Mechanical do Emergency HVAC Service in Marietta, GA?
Yes. Garrett Mechanical lists Emergency HVAC Service among its services and serves Marietta, GA and Replacement Marietta, GA.

Compare with nearby providers

Provider Vouched Google Years BBB Yelp Our picks
Garrett Mechanical (this company)
82/100 4.9★ (1,075+) 16+ 3.4★
88/100 4.9★ (1,830+) 64+ Highest Vouched Score
Best for Furnace + AC Changeout
Best Manufacturer-Authorized Installer
83/100 5.0★ (640+) 30+ 4.8★ Best for High-Efficiency (95%+ AFUE) Upgrades
Best for Commercial Furnace Replacement
77/100 4.8★ (10,920+) 60+ 1.9★

Listed in

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Profile last updated June 26, 2026.