About Us

A Few Words About Us

Markl & Sons Cooling & Heating

Markl & Sons is a full service air conditioning and heating company providing ac repair, design and installation services.We have built reputation in prompt, quality service for our residential and commercial customers.

(903) 893-3060

Indoor Air Quality

Air Purification

Indoor Air Pollution is a serious problem.

Programmable Thermostats

Maximize your HVAC system with reliable temperature control.

adv img

Zoned Comfort Control

Control the temperature of each room individually.

Coil Cleaning

Dirty coils increase operating costs and shorten equipment life.