HVAC Service


Residential Comfort Program

Air Conditioning/Heat Products
Heating and Air Problem? JL Advenco is ready to help TDLR LIC # TACLA51573E.

We believe that there is more to Heating, Ventilating, and Air Conditioning (HVAC) than just replacing an old or troublesome unit with a new one. Your home is your Residential Eco-System. As such, we evaluate your home in order to determine the right set of options and then help you decide what works best for your comfort level and budget. For example, we help you answer all of these questions and more:

Is/Was your current unit the right unit for your home? Will investing in a higher efficiency and capacity unit really add value? Is a more efficient HVAC worth the price? Am I putting a sports car engine in a Volkswagen? Is the increased cold in the winter due to too much humidity? Is my home properly weatherized to support my current HVAC investment?


Put the best team on your side

We believe that your overall satisfaction can only come from the combination of two key elemnts: Quality Service and Quality Products.

Residential Comfort Program (Preventive Maintenance)
Service/Repair Unit Diagnostics
Free existing equipment replacement proposals
Free Second Opinions on any competitor quotes

Ask us about our performance guarantee!

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The JL Advenco Comfort Program is designed to keep your home comfortable and cost efficient. We view our homes as a Residential EcoSystem, where your HVAC system(s) along with your home￿s ability to retain and repel both hot and cold conditions as its' main components. The program will give you piece of mind knowing that your system is ready to meet any seasonal challenge. Here's a sampling of what it includes:



Outdoor units
Our certified technicians will:
  • Inspect unit for proper refrigerant level and adjust if necessary
  • Clean dirt, leaves, and debris from inside cabinet
  • Inspect base pan for restricted drain openings￿remove obstructions as necessary
  • Inspect coil and cabinet￿clean as needed
  • Inspect fan motor and fan blades for wear and damage￿on older models lubricate as needed
  • Inspect control box, associated controls/accessories, wiring and connections. Controls may include contactors, relays, circuit boards, capacitors, sump heat and other accessories. All control box and electrical parts should be checked for wear or damage.
  • Inspect compressor and associated tubing for damage
Indoor units
Our certified technicians will:
  • Inspect and clean blower assembly (includes blower housing, blower wheel and motor)
  • On older models, lubricate motor and inspect and replace fan belt if needed
  • Check combustion blower housing for lint and debris and clean as necessary
  • Inspect evaporator coil, drain pan and condensate drain lines. Clean as needed
  • Inspect for gas leaks in gas furnaces
  • Inspect burner assembly￿clean and adjust as needed
  • Inspect ignition system and safety controls￿clean and adjust as needed
  • Inspect heat exchanger or heating elements
  • Inspect flue system￿check for proper attachment to the furnace, any dislocated sections, and for signs of corrosion. Replace if necessary
  • Inspect control box, associated controls, wiring and connections
  • Clean or replace air filters
  • Inspect conditioned airflow system (ductwork)￿check for leaks
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We provide only the best..

We recommend installing only the best in your home. That's why we have partnered with the best manufacturers because of their reliability and quality.


  • Air Conditioning
  • Heating
  • Indoor Air Quality (Humidifiers and Air Purifiers)
  • Smart Thermostats (Web & Smartphone support) - you are always connected!




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JL Advanced Energy & Construction Ltd Co., Air Conditioning & Heating Contractors - Residential, Carrollton, TX