San Antonio, TX HVAC · #1 of 21 · BBB A+ Accredited · 38+ yrs
Shafer Services Plus leads San Antonio in complex HVAC retrofits, with reviewers highlighting their expertise in correcting faulty new-build installations. Their team provides same-day service and transparent, upfront pricing for both repairs and full system replacements. Operating in the San Antonio heat, they emphasize high-efficiency cooling and indoor air quality solutions. Customers consistently report that technicians prioritize honest repair-over-replace guidance to ensure long-term system reliability.
Shafer Services Plus provides heating, cooling, and plumbing services to residential and commercial clients throughout San Antonio. They offer same-day service and maintain a transparent pricing model for all maintenance and repair tasks. Their team specializes in complex HVAC system retrofits and indoor air quality improvements. They have been serving Central Texas homeowners since 1988.
Above the San Antonio, TX HVAC average of 83/100. Ranks #1 of 21 listed HVAC providers in San Antonio, TX.
Composite of public-record signals (BBB, license records), customer review signals (Google, Yelp), and editorial assessment of provider profile. See full methodology →
| Signal | Shafer Services Plus | San Antonio avg | Delta |
|---|---|---|---|
| Vouched Score | 93/100 | 72/100 | +20 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 2,270+ | 2,075+ | +198 vs avg |
| Years in business | 38+ | 28+ | +10 vs avg |
"Dustin was on time, friendly and professional. I usually tend to do a lot of research when it comes to home or car maintenance and repair but I still had a literal list of questions. My questions were specifically about having them install a Reme-Halo Air purifier, but also some duct work concerns. He not only answered all our questions one by one (which jived with what I researched on line), but began to lay out ou…"
— Dj · Mar 4, 2026 · Google Reviews"We’re building a new home, and an inspector noted several issues with our HVAC installation while it was still in progress. We asked Shafer Services for a second opinion, and their honest, knowledgeable feedback ultimately convinced us to have them redo our entire system—even though the original install was already about 80% complete. Augie and the rest of the Shafer Services team showed up promptly and walked us t…"
— PJ Peek · Jan 29, 2026 · Google Reviews"Nathan was professional, courteous, and very knowledgeable. He handled everything efficiently and was done in about 45 minutes. Since I have a membership the inspection was free. Great service, thank you Nathan and SSP!"
— Danny · Feb 23, 2026 · Google Reviews"After draining my water heater, 2 of my faucets weren’t working. I thought I might need some pipes cleaned or something, but Chris showed me it was just sediment and rust built up in the faucet. He even showed me how to clean them. What I thought would be an expensive trip ended up just being the service call. I really appreciate the honesty and professionalism and would highly recommend him."
— Roy Seaman · Jan 8, 2026 · Google Reviews"Nathan came to our house to help diagnose our HVAC and he was fantastic! He kept my husband informed, was very knowledgeable, and had a quick turn around on our estimate! We would definitely go with Shafer Services again."
— Emily Standridge Baker · Feb 1, 2026 · Google Reviews"Great Service Person /They are always very dependable."
— Verified reviewer · BBB"our Shafer HVAC technician did a tremendous job today solving a problem we were having. He was detailed oriented and kept us informed during the job."
— Verified reviewer · BBB"Ive been using Shafer for over 15 years for all my plumbing, A/C and heating needs. Always prompt and professional."
— Verified reviewer · BBBSelf-reported on their website — not independently verified.
San Antonio, TX home
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
| Monday | 7:00 AM – 6:00 PM |
|---|---|
| Tuesday | 7:00 AM – 6:00 PM |
| Wednesday | 7:00 AM – 6:00 PM |
| Thursday | 7:00 AM – 6:00 PM |
| Friday | 7:00 AM – 6:00 PM |
| Saturday | 8:00 AM – 5:00 PM |
| Sunday | 8:00 AM – 5:00 PM |
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Shafer Services Plus (this company) |
93/100 | 4.9★ (2,270+) | 38+ | A+ ✓ | — | Highest Vouched Score Upfront Pricing |
| 79/100 | 5.0★ (235+) | 15+ | A+ | — | — | |
| 89/100 | 4.9★ (1,005+) | 10+ | — | — | Best for Smart Thermostat Install | |
| 80/100 | 4.9★ (1,405+) | 8+ | A+ ✓ | — | — |
Profile last updated May 15, 2026.