About us
Business highlights
9 years of trusted experience
Emergency Services Offered
Services we offer
Services we don't offer
Amenities
Free Estimates
YesWarranties
YesEmergency Services
YesAccepted payment methods
Photos of past projects
Reviews
5.043 Reviews
Showing 26-43 of 43 reviews
Dion J.
12/2019
heating & air conditioning/hvac
+ -1 moreChad’s service was great! He’s a pro. Very knowledgeable and informative with his craft. He let me know all the things to look out for and to keep up on to keep things running smooth.
Description of Work: service repair work as well as installation of HVAC equipment
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$2,500
Michele R.
12/2019
heating & air conditioning/hvac
+ -1 moreGreat. Chad came out right away; very friendly and knowledgeable. Price was reasonable and our problem was fixed right away.
Description of Work: AC repair work
| Rating Category | Rating out of 5 |
|---|
Yes, I recommend this pro
Barry K.
12/2019
heating & air conditioning/hvac
+ -1 moreExcellent. Top notch mechanical repair and installation. Excellent Communication and extremely competitive pricing.. My go to for Remodel and rehab hvac.
Description of Work: service/install
| Rating Category | Rating out of 5 |
|---|
Yes, I recommend this pro
Response from Siefert Mechanical - Heating & Cooling
Jay S.
12/2019
heating & air conditioning/hvac
+ -1 moreExcellent. Chad was friendly and professional. He takes pride in his work; did a great job!
Description of Work: HVAC service repair work and maintenance, as well as HVAC replacement
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$1,800
Response from Siefert Mechanical - Heating & Cooling
Jim W.
12/2019
heating & air conditioning/hvac
+ -1 moreWe had an insurance claim and Chad walked through every step of the way showing patience and professionalism. We have had no problems with our system to date.
Description of Work: Air conditioning repair and maintenance.
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$1,800
Response from Siefert Mechanical - Heating & Cooling
Matt C.
12/2019
heating & air conditioning/hvac
+ -1 moreSiefert mechanical did a amazing job. Very friendly and quick to respond. Didn’t try to over sell and went out of his way to make sure I was up and running on weekend. A+++
Description of Work: air conditioning repair and new system
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$1,300
Kristin R.
12/2019
heating & air conditioning/hvac
+ -1 moreExtremely professional and helpful, diagnosed and fixed the problem timely. Would definitely recommend and use again.
Description of Work: air conditioning repair work
| Rating Category | Rating out of 5 |
|---|
Yes, I recommend this pro
DAVID D.
12/2019
heating & air conditioning/hvac
+ -1 moreExcellent Work
Description of Work: air conditioning repair and maintenance
| Rating Category | Rating out of 5 |
|---|
Yes, I recommend this pro
Jack B.
12/2019
heating & air conditioning/hvac
+ -1 moreTwo men less than 3hr
Description of Work: HVAC installation as well as general maintenance and repair work
| Rating Category | Rating out of 5 |
|---|
Yes, I recommend this pro
Bobby Cell B.
12/2019
heating & air conditioning/hvac
+ -1 moreThey were very professional and did an amazing job. Showed up on time and was quick to finish the job with great results. Definitely knew what they were doing. Our electric bill has dropped a lot since the new furnace was install and the house is much warmer. I would highly recommend using them. We definitely found our HVAC company that we will use from here on out. Thanks for the great service.
Description of Work: furnace install
| Rating Category | Rating out of 5 |
|---|
Yes, I recommend this pro
Response from Siefert Mechanical - Heating & Cooling
Aaron S.
12/2019
heating & air conditioning/hvac
+ -1 moreAbsolutely Amazing Job ! Chad and his crew assessed the situation and provided several Solutions and Options! Highly Recommend Seifert Mechanical for Fast Friendly HVAC Repairs and Upgrades. I will definitely use them again in the Future!
Description of Work: Custom Fabrication Upgraded Duct Work
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$1,200
Response from Siefert Mechanical - Heating & Cooling
Roger F.
11/2019
heating & air conditioning/hvac
+ -1 moreThe overall visit for an estimate to the day they came back to do the install was smooth all of the way with no surprises.
Description of Work: AC system installed
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
Response from Siefert Mechanical - Heating & Cooling
William B.
10/2019
heating & air conditioning/hvac
+ -1 moreThey were very professional, good price and prompt
Description of Work: Heating checkup
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$65
Response from Siefert Mechanical - Heating & Cooling
Randolph S.
10/2019
heating oil companies
+ -1 moreThe installation of my new furnace was completed with exceptional professionalism. I was completely satisfied with the work and information they provided me with including the warranty which they helped me set up online.
Description of Work: N/A
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$1,950
Response from Siefert Mechanical - Heating & Cooling
Carrie R.
09/2019
heating & air conditioning/hvac
+ -1 moreThe gentleman that came to my home to do the repair was very professional. He knew exactly what he was doing and was able to repair the issue and was very informing on things I could do to keep things going smoothly. Price was very reasonable and he came when he said he would. I highly recommend this company for any of your needed services. I was highly impressed and plan to use this company for any future needs I may have.
Description of Work: Mini split system needed repair
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
Response from Siefert Mechanical - Heating & Cooling
Ryan P.
09/2019
heating & air conditioning/hvac
+ -1 moreWas here early, done early, under budget, would never use anyone else. Will be contracting for another job and all future properties from now on.
Description of Work: Ac system replaced
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
$3,000
Response from Siefert Mechanical - Heating & Cooling
Chris S.
08/2019
heating & air conditioning/hvac
+ -1 moreIt went well. Chad the owner is really personable guy. Nice job, timely and gets the job done. On time.
Description of Work: It was heating and cooling job.
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| responsiveness | |
| punctuality |
Yes, I recommend this pro
Response from Siefert Mechanical - Heating & Cooling
Ronnie P.
08/2019
heating & air conditioning/hvac
+ -1 moreThey did a super great job and they did what they supposed to do. I recommend them to everybody I know.
Description of Work: They installed HVAC system.
| Rating Category | Rating out of 5 |
|---|---|
| quality | |
| value | |
| professionalism | |
| punctuality |
Yes, I recommend this pro
Response from Siefert Mechanical - Heating & Cooling
- 1
- 2(current)
Contact information
15 Linda Ln, O Fallon, MO 63366
Service hours
Monday:
7:00 AM - 5:00 PMTuesday:
7:00 AM - 5:00 PMWednesday:
7:00 AM - 5:00 PMThursday:
7:00 AM - 5:00 PMFriday:
7:00 AM - 5:00 PMLicensing
Bonded
Insured
Licensed*
Eco-friendly Accreditations
LEED Accredited Professional
No
Energy Star Partner
Yes
EPA Lead-Safe Certified
No
Use Green Products or Work Practices
No
State Contractor License Requirements
All statements concerning insurance, licenses, and bonds are informational only, and are self-reported. Since insurance, licenses and bonds can expire and can be cancelled, homeowners should always check such information for themselves. To find more licensing information for your state, visit our State Contractor License Requirements page.
*Contact business to see additional licenses.
Service Categories
Heating and Air Conditioning,
Heating Oil,
Energy Efficiency Auditing
FAQ
Siefert Mechanical - Heating & Cooling is currently rated 5 overall out of 5.
Monday: 7:00 AM - 5:00 PM
Tuesday: 7:00 AM - 5:00 PM
Wednesday: 7:00 AM - 5:00 PM
Thursday: 7:00 AM - 5:00 PM
Friday: 7:00 AM - 5:00 PM
Siefert Mechanical - Heating & Cooling accepts the following forms of payment: American Express,Check,Discover,MasterCard,Visa
Yes, Siefert Mechanical - Heating & Cooling offers free project estimates.
Yes, Siefert Mechanical - Heating & Cooling offers eco-friendly accreditations.
No, Siefert Mechanical - Heating & Cooling does not offer a senior discount.
Yes, Siefert Mechanical - Heating & Cooling offers emergency services.
Yes, Siefert Mechanical - Heating & Cooling offers warranties.
Siefert Mechanical - Heating & Cooling offers the following services: We specialize in central air conditioning system installation, service and repairs. We offer a variety of air treatment systems to improve the quality of air in your home as well. We offer industry leading heating systems installation, service and repairs too.
Duct cleaning.
Contact information
15 Linda Ln, O Fallon, MO 63366
Service hours
Monday:
7:00 AM - 5:00 PMTuesday:
7:00 AM - 5:00 PMWednesday:
7:00 AM - 5:00 PMThursday:
7:00 AM - 5:00 PMFriday:
7:00 AM - 5:00 PM