How the Experts Score is calculatedEach factor is scored 0–100 on absolute terms (standing in the category can only raise it), then weighted; problems flagged in review highlights or a recent slide in ratings are subtracted:Satisfaction 55%97+52.9Reliability 24%97+23.5Value 14%100+14.1Replies to reviews 7%57+4Experts Score= 95Grade A: A = 80+, B = 60–79, C = 40–59, D = 20–39. Needs 10+ reviews.95SCORETechmazing Heating, Cooling & Plumbing
Stonecrest, GA · Grade ALetter from the Experts Score: A = 80+, B = 60–79, C = 40–59, D = 20–39, F = under 20. · #55Position by Experts Score among all companies we track in this category. of 119 HVAC contractors · 5.0★ from 1,252 Google reviews
Report card
Percentile vs other HVAC contractors (100 = best)Each factor is scored 0–100 on absolute terms (star average, share of 1–2★ reviews, price verdicts…); standing within the category can only raise it, never lower it.. Strongest: craft & service and value; weakest: replies to reviews.
Reviews for your job
Customers hired Techmazing Heating, Cooling & Plumbing for 8 kinds of job.
Techmazing Heating, Cooling & Plumbing for thermostat installation
Clear ✕All 5 Google reviews tagged “Thermostat installation”
We’ve had an amazing experience with this company! They’ve replaced both of our HVAC units over the years and have done a great job every time. Fair pricing, excellent quality, and outstanding service. We really appreciate the personal touch that comes with a family-owned business. Surprisingly, they were the best…
Josh, Andre, & Shaquan did an excellent job installing our new Trane system. The Trane thermostat works very well balancing temperature and humidity to keep our home comfortable. The cost of the installation was very competitive considering we purchased the upgraded system.
Pablo came by on the scheduled time , worked In a accurate and timely manner, Definitely calling him again
When our upstairs HVAC unit died on us we called out 3 different companies to compare prices and the reason we selected Trust was because Michael conducted the most thorough check on our old system and then sat with us at our kitchen table and explained our options. We felt the price was very fair to the point…
One of our a/c units finally died on us (14 years old), so we knew that we would need to replace it and that it would not be inexpensive. We reached out to Michael and his team and from the initial contact to the time the team left, they provided top-notch, professional, and prompt service. We replaced both of our…
Price
Bar = middle half of what customers paid · gold mark = category median.
Price verdictsGoogle asks reviewers whether the price was great, reasonable or overpriced; these are their answers.
Jobs customers hired them for
| Job | Reviews | Category typical |
|---|---|---|
| HVAC system maintenance | 199 | $37–$295 |
| HVAC system repair | 167 | $205–$942 |
| A/C system maintenance | 44 | $39–$393 |
| A/C system repair | 36 | $209–$793 |
| Installation | 31 | $1.2k–$2.8k |
| Cleaning | 18 | $114–$369 |
| Install AC | 17 | $1.5k–$3.2k |
| A/C preventive maintenance | 17 | $104–$621 |