SunDollar HVAC Blog
Expert tips on saving money, maintaining your system, and breathing cleaner air in North Texas.
Industrial Grade Indoor Air Quality with CASPR
Discover how continuous air and surface pathogen reduction technology protects massive commercial warehouse spaces.
Inside the Closet: Replacing an A-Frame Evaporator Coil
See what an uninstalled A-frame evaporator coil looks like and learn the critical role its copper tubing plays in residential cooling.
The Benefits of Suspended Attic Air Handlers
Explore how professionally suspending a heavy Carrier air handler with metal strapping drastically reduces noise and vibration.
The Lungs of Your HVAC System: The Blower Motor
Look inside your furnace to see how the complex printed circuit board drives the high-velocity blower motor to control home airflow.
Heavy Lifting: Commercial RTU Crane Installations
Learn about the intense logistical planning and safety standards required when hoisting multi-ton commercial package units via crane.
The Secret to Max Efficiency: A Clean Evaporator Coil
See what a brand new evaporator coil looks like and discover why its thousands of clean metallic fins are critical for efficient home cooling.
Inside the Brain of Your Furnace: The Control Board
Learn how the complex printed circuit board acts as the central command center and primary safety checkpoint for your entire heating system.
Mastering Airflow: The Importance of the Attic Plenum
Discover why the central sheet metal distribution box in your attic dictates the airflow pressure and comfort across your entire home.
Precision Upgrades: Installing a Trane Gas Furnace in a Tight Closet
See how expert Texas technicians retrofit and fabricate ductwork for heavy-duty Trane heating equipment inside confined residential closets.
Navigating Cramped Quarters: Carrier Furnace Combos
Explore the critical combustion air and exhaust venting safety protocols required when installing a gas furnace right next to a water heater.
The Heart of the System: Understanding HVAC Contactors
Discover how the heavy-duty mechanical relays inside your condenser safely control the massive high-voltage draw of your AC compressor.
Why Is My AC Compressor Covered in Ice?
Learn the shocking reasons why your air conditioner can freeze into a solid block of ice during the hottest part of the Texas summer.
The Dangers of Dirty Electrical Components in Your AC
Why old, pitted contactors, cobwebs, and insect intrusions inside the electrical panel are a silent disaster waiting to happen.
The Perfect HVAC Solution for Mobile Homes
Ductless mini-splits offer incredible energy efficiency and solve the notoriously poor airflow problems of manufactured housing.
Ground-Mounted Commercial HVAC Package Units
Delivering massive cooling capacity for retail and industrial spaces utilizing durable, side-discharge Carrier WeatherMaker package systems.
Space-Saving Mini-Split Wall Mount Installations
Learn about the space-saving and protective benefits of mounting your ductless mini-split condenser securely on an exterior wall.
Why Replacing Your Air Filter Matters
Discover exactly what happens when you neglect your air filter and how a clean one protects the internal components of your AC.
Understanding Your AC Evaporator Coil
Take a peak inside a closet A-frame evaporator coil to see the copper fins and condensation drain lines responsible for indoor humidity.
York Air Conditioner Upgrades in Metal Buildings
See how modern York air conditioning condensers are perfectly mounted and leveled on concrete tracking pads outside metal workshops.
Mastering Attic Ductwork: The Key to Balanced Home Cooling
Learn why a clean, properly suspended flexible ductwork system in the attic is essential for an efficiently cooled home.
The Power of Carrier Horizontal Attic Systems
Discover the installation precision required to safely suspend a massive Carrier air handler in a residential attic.
Precision Daikin Mini-Split Tuning
See how skilled technicians analyze the complex inverter boards inside a high-end Daikin ductless mini-split system.
Upgrading to a Vertical Lennox Air Handler
A deep dive into the robust metal casing and thick insulation of the latest Lennox upflow air handler models.
Navigating Commercial Roofs: Exposed Lennox Spiral Ducts
Explore the heavy-duty engineering behind dropping a powerful commercial Lennox air handler down into exposed warehouse spiral ductwork.
Maintaining Commercial HVAC Blower Motors
Learn the importance of regular belt inspections and motor lubrication in enormous commercial HVAC blower cabinets.
Replacing Dual Lennox Condensers
Discover the airflow requirements for pairing dual high-capacity Lennox signature outdoor condensers for massive commercial buildings.
Securing Commercial Rooftop HVAC Units
Why the heavy-duty mounting rails and robust sheet metal covers are critical for weathering severe Texas storms on flat commercial roofs.
Attic Horizontal HVAC Installations Explained
Examine the complexities of a fresh attic horizontal HVAC installation, from the suspended air handler to the insulated ductwork and emergency drain pan.
Furnace Inspection and Safety Repair
A breakdown of the critical safety components inside an upflow gas furnace and why preventative maintenance prevents disaster.
How Much Does a New Central Air Conditioner Cost in Texas?
A complete guide to HVAC replacement costs, including labor, equipment tiers, and SEER2 ratings in North Texas.
Why Are My AC Vents Blowing Warm Air?
The top 3 most common reasons your air conditioner is blowing warm air and what you can do before calling a technician.
When to Repair vs. Replace Your Aging AC System
Are you throwing money away fixing an old unit? Find out the break-even point for HVAC replacement.
The Importance of Annual Precision Tune-Ups
Why neglecting preventative maintenance will inevitably void your manufacturer warranty and cost you thousands.
10 Fun Facts You Didn't Know About Heating & Cooling
From Roman aqueducts to the first modern AC, discover the incredible history of human-made climate control.
What is CASPR Indoor Air Quality Technology?
Learn how CASPR continuously protects your home from airborne pathogens by reproducing nature's oxidizing process.