Abacus Plumbing, Air Conditioning, & Electrical
Austin, TX HVAC · #16 of 22 · BBB A+ Accredited · 23+ yrs
At a glance
- Google rating
- 4.8★ from 5,975+ reviews
- In business
- 23+ years
- BBB
- A+ accredited
- Yelp
- 2.1★ from 90+ reviews
- Services
- 8 HVAC services
- Service area
- Austin, TX
- Phone
- +1-512-943-7070
Overview
Abacus Plumbing, Air Conditioning, & Electrical provides comprehensive HVAC, electrical, and plumbing services across the Austin metro area. Technicians utilize advanced diagnostic tools, including duct-camera inspections, to verify system integrity and air quality for local homeowners. Austin’s humid climate makes proper duct sealing essential, and Abacus notes they focus on preventing condensation-related water damage in attics. Customers frequently request specific technicians like Pedro or Ethan for their thoroughness and detailed digital reporting.
Abacus Plumbing, Air Conditioning, & Electrical provides residential and commercial HVAC, plumbing, and electrical services throughout the Greater Austin area. Abacus states they offer 24-hour emergency repairs for heating and cooling systems. Abacus reports they provide flat-rate pricing and financing options for system replacements. Abacus lists annual system inspections through their club program to help maintain efficiency.
Vouched Score breakdown — 76/100
Austin, TX HVAC average is 79/100. Ranks #16 of 22 listed HVAC providers in Austin, TX.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
How Abacus Plumbing, Air Conditioning, & Electrical compares to the Austin average
| Signal | Abacus Plumbing, Air Conditio… | Austin avg | Delta |
|---|---|---|---|
| Vouched Score | 76/100 | 76/100 | matches city average |
| Google rating | 4.8★ | 4.8★ | matches city average |
| Review volume | 5,975+ | 2,735+ | +3241 vs avg |
| Years in business | 23+ | 29+ | -6 vs avg |
What customers say
"2 stars because they at least gave me a good deal on a good unit, and the AC and furnace unit was installed correctly but the ductwork installed is poorly done and needs replacement after less than 3 years. They did promptly came back to fix a mistake (installed a return as a supply), which is good service if poor craftsmanship. Abacus installed a new unit and ductwork the day before Thanksgiving 2.5 years ago and …"
— Jackson Schleich · Sep 5, 2025 · Google Reviews"I can't recommend Abacus enough; they are super easy to schedule with, reliable, efficient, and provide outstanding quality results. We've been able to rely on them for several needs including new electric wiring, water heater maintenance, and most recently HVAC maintenance. If you need HVAC service ask for **Pedro**! He is very knowledgeable, respectful, thorough, and does an excellent job making sure you understan…"
— Mandy G · Aug 9, 2025 · Google Reviews"Ethan with Abacus Plumbing came out right at 5pm and worked until 8pm to get our main water line repaired properly. Earlier this year the same issue was addressed by a different technician, but it was clear Ethan had a much deeper understanding of the problem and how to fix it correctly. He was knowledgeable, thorough, and took the time to make sure the repair was done right. Really appreciate his work ethic and exp…"
— Justice Mcdonald · Feb 27, 2026 · Google Reviews"Met with Donald and had a great experience. He was professional and knowledgeable. The water heater replacement was speedy. I’m thankful for the quick turnaround with being able to have our water heater replaced when a problem arose. Highly recommended."
— Thomas Daly · Dec 29, 2025 · Google Reviews"Donald and Ethan did a wonderful job. I had an angle stop that had flooded out my bathroom. They replaced both the hot and cold for that vanity as well as the angle stock for the toilet. They also recommended that I replaced a soft copper piece underneath my kitchen sink. Tremendous job from McDonald’s and Ethan won’t call anybody else but Abacus plumbing."
— Judith Zamorsky · Nov 18, 2025 · Google Reviews"I am a VIP Customer. replaced my outdoor plumbing ($11,000) which includes an 10year warranty and my upstairs AC unit ($8,000) which includes a 10 year warranty."
— Verified reviewer · BBB"Run like your life depends on it. Abacus is wholly incompetent."
— Verified reviewer · BBB"Absolutely atrocious customer service. First, they installed a new HVAC and failed to complete the final inspection with the city."
— Verified reviewer · BBB"Wanted to provide detail about my experience with theAbacus Team, who installed my AC and heating system."
— Mike M. · Yelp"Assessed our issues and listened to my concerns all while being able to provide solutions andmultipleoptions for resolution."
— Jacy B. · Yelp"Our electrician, Tristan, was swift to diagnose and explain theresolution."
— Steve T. · YelpPros & cons
- High Google rating (4.8★ across 5,975+ reviews)
- Long-established (23+ years in business)
- BBB accredited
Self-reported on their website — not independently verified.
- Background-verified team
- Satisfaction guarantee
- Financing available
- Free estimates
- Flat-rate, upfront pricing
- 5 BBB complaint(s) filed in the past 12 months
- Most recent BBB complaints involve service or repair issues (8/10 sampled)
- Mixed customer sentiment (score 65/100)
Common complaints
Surfaced from negative-leaning customer reviews on Google / Yelp / BBB. Not editorial commentary.
- 2 stars because they at least gave me a good deal on a good unit, and the AC and furnace unit was installed correctly but the ductwork installed is poorly done and needs replacement after less than 3…
When to choose them — and when to consider alternatives
- You need same-day or after-hours service
- You need to finance the work
- You want a top-rated provider with substantial review history (4.8★, 5,975+ reviews)
- You value a long-tenured local operator (23+ years in business)
- Recent BBB complaint history is a deal-breaker for you
- Reports of ductwork installation quality or communication gaps would be a deal-breaker for you
- Reports of inspection failures would be a deal-breaker for you
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- Furnace Repair — Repair of gas and electric furnaces — ignition systems, blower motors, heat exchangers, control boards, and flame sensors.
- Heating System Replacement — Replacement of an aging or failed heating system, typically a furnace or heat-pump indoor unit.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
Service area
Austin, TX home
Guarantees & credentials
- Licensed plumbers
- Licensed electrician
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
| Daily | Open 24/7 |
|---|
Frequently asked questions
What are the pros of Abacus Plumbing, Air Conditioning, & Electrical?
What are the cons of Abacus Plumbing, Air Conditioning, & Electrical?
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What is the Vouched Score for Abacus Plumbing, Air Conditioning, & Electrical?
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How long has Abacus Plumbing, Air Conditioning, & Electrical been in business?
How can I contact Abacus Plumbing, Air Conditioning, & Electrical?
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What pricing terms does Abacus Plumbing, Air Conditioning, & Electrical publish on their website?
Compare with nearby providers
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Abacus Plumbing, Air Conditioning, & Electrical (this company) |
76/100 | 4.8★ (5,975+) | 23+ | A+ ✓ | 2.1★ | — |
| 87/100 | 4.8★ (755+) | 50+ | A+ ✓ | — | Best for Geothermal | |
| 85/100 | 4.8★ (3,315+) | 49+ | A+ ✓ | 3.9★ | — | |
| 55/100 | 4.7★ (285+) | 35+ | — | — | — |
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Profile last updated May 12, 2026.