Phone: 346-533-0804
Get Your Free Diagnostic Assessment
Tell us what's happening. We'll call back within 2 hours during business hours.
About the OwnerCONTACT INFORMATION
Serving the Baytown Area and Houston Ship Channel Corridor:
BaytownMont BelvieuDaytonLibertyCrosbyHighlandsBeach CityCoveAnahuacGreater Houston East
REQUEST SERVICE OR INFORMATION
Tell us about your project or problem. We'll respond within one business day to discuss next steps—no pressure, no scare tactics, just honest assessment.
WHAT TO EXPECT
When you reach out to Service Line, here's how we work:
FOR COMMERCIAL & FACILITY MANAGERS
Managing HVAC for a commercial facility in the coastal industrial corridor comes with unique challenges—salt corrosion, sulfur exposure, and the operational cost of equipment downtime. If you’re looking for a maintenance partner who understands asset protection and documents everything, let’s talk.
Commercial inquiries receive priority response.
FOR GENERAL CONTRACTORS & BUILDERS
If you’re building in Baytown or the surrounding area and need HVAC design, load calculations, or custom fabrication that passes inspection the first time—reach out early. The earlier we’re involved in the project, the smoother the installation.
Meet Your HVAC Engineer
Michael Jarrell — Owner & Lead Engineer
Michael is a 2nd generation HVAC professional who started working alongside his father at age 12 in Southwest Louisiana. After graduating from Sowela Technical Community College, he earned his Industrial Electrician Certificate—a credential most HVAC technicians don't pursue—which allows Service Line to diagnose complex commercial systems, server room cooling failures, and electrical issues that other contractors have to refer out.
Michael moved to Baytown in 2015 and founded Service Line Air & Heat in 2022 with one mission: bring construction-grade precision to residential and commercial HVAC. When you call Service Line, you're not getting a parts-swapper—you're getting an engineer who measures before he recommends.
Michael moved to Baytown in 2015 and founded Service Line Air & Heat in 2022 with one mission: bring construction-grade precision to residential and commercial HVAC. When you call Service Line, you're not getting a parts-swapper—you're getting an engineer who measures before he recommends.
Industrial Electrician CertificateA2L Refrigerant Certified EPA 608 Universal Texas State HVAC License
Read Michael's Full StoryAsked Questions
What areas do you serve?
We serve Baytown, Mont Belvieu, Dayton, Liberty, Crosby, Highlands, Beach City, Cove, Anahuac, and the greater Houston east side. If you’re in the Ship Channel corridor, we likely cover your area.
Do you offer emergency service?
For commercial clients on our Asset Shield maintenance programs, we offer priority and after-hours response. For residential emergencies during business hours, call us directly at 346-533-0804 and we’ll do our best to accommodate same-day service.
How quickly will you respond to my inquiry?
We respond to all inquiries within one business day. Commercial and construction inquiries typically receive same-day response.
Do you provide free estimates?
For new installations and construction projects, yes—we provide free consultations and proposals. For repair diagnostics, we charge a diagnostic fee that covers our time to properly assess your system. This fee is applied toward the repair if you proceed.
What information should I have ready when I call?
For service calls: your address, a description of the problem, and the approximate age of your equipment if known. For new installations: your address and square footage. For commercial: your facility type and number of units. Don’t worry if you don’t have all the details—we’ll figure it out together.