AC Repair and Heating Service in Katy, TX

MultiPoint AC & Heating helps Katy homeowners with AC breakdowns, uneven cooling, furnace problems and system replacement. We start by inspecting the reported issue and explain whether the proposed work involves the equipment, controls or airflow. If you are comparing repair and replacement, we review the system's condition and the available options before you decide. Call (832) 963-3789 to discuss your home and scheduling.

AC REPAIR IN KATY, TX

When something goes wrong with your air conditioning in Katy, the problem usually falls into one of a few categories. Knowing what to look for can help you describe the issue clearly when you call — and can also help you understand what you're being told during the diagnostic.

System running but not cooling — this is one of the most common calls we get in Katy during summer. If your AC is running and air is moving but the house won't cool down, the likely causes are low refrigerant, a dirty evaporator coil, a frozen coil, or a failing compressor. Each of these has different symptoms and different repair paths, which is why a proper diagnostic matters before any work begins.

AC not turning on at all — before calling, check the thermostat settings and make sure the breaker hasn't tripped. If both of those look fine and the system still won't respond, the issue may be a failed capacitor, a faulty contactor, or a control board problem. These are straightforward repairs when caught early.

AC cycling on and off frequently — short cycling puts heavy wear on the compressor and can significantly shorten your system's lifespan. It's commonly caused by an oversized unit, a refrigerant problem, a dirty air filter restricting airflow, or a thermostat that's losing accuracy.

Water leaking from the indoor unit — the condensate drain line can clog with algae and debris over time, especially in the humidity levels Katy sees throughout the summer. When it backs up, water overflows from the drain pan and can cause damage to ceilings and walls if it isn't addressed quickly.

Warm air from some rooms, cold air from others — uneven cooling is often a duct issue, an airflow problem, or a sign that the system is undersized or losing capacity. It can also indicate damper problems or duct leaks.

HVAC INSTALLATION IN KATY, TX

Repair or replacement depends on the diagnosed problem, overall system condition, repair history, warranty coverage, parts availability and the costs of the proposed options. Equipment age and repair price are factors to review together, rather than a fixed cutoff that decides the answer for every home. We explain the findings and quote the recommended work before you approve it.

When we install a new HVAC system in a Katy home, we start with a proper load calculation. This determines the right system size for your home based on square footage, ceiling height, insulation, window placement, and other factors. Getting the size right matters more than most homeowners realize. A system that's too large will cool the space quickly but shut off before removing enough humidity, leaving the home feeling clammy. A system that's too small will run constantly without ever fully catching up on hot days.

We work with homeowners to select equipment that fits their budget and efficiency goals, handle the full installation, and test everything before we leave.

FURNACE REPAIR IN KATY, TX

Katy doesn't get prolonged cold snaps the way northern Texas does, but when a cold front moves through, a furnace that isn't working properly is a real problem. We handle furnace repair and inspection for Katy homeowners throughout the year.

Common furnace issues in Katy include ignition problems that prevent the system from firing, heat exchangers that develop cracks over time and need to be inspected for safety, dirty flame sensors that cause the furnace to shut off shortly after starting, and blower motor issues that reduce heat distribution throughout the home.

Because furnaces in the Houston area don't run as many hours per year as they would in colder climates, they sometimes go seasons without being noticed — until a cold front hits and they don't work. An annual fall inspection catches these issues before you actually need the heat.

INDOOR AIR QUALITY IN KATY

Katy's humidity levels are significant for much of the year, and that moisture affects more than just comfort. High indoor humidity encourages mold growth, dust mite populations, and other air quality issues that can affect respiratory health — particularly for children and anyone with allergies or asthma.

Whole-home dehumidifiers, UV air purifiers, and upgraded filtration systems can all make a meaningful difference in indoor air quality. These are add-ons we can discuss during any service visit if air quality is a concern in your home.

PREVENTIVE MAINTENANCE IN KATY, TX

The best time to find out your AC has a problem is not in July. Scheduling a maintenance visit in the spring — before the full heat of the season sets in — gives us the chance to catch anything developing before it turns into an emergency call.

During a cooling season tune-up in Katy, we clean the coils, check refrigerant levels, test electrical components, inspect the condensate drain, verify thermostat operation, and review overall system performance. If something needs attention, we tell you what it is and what your options are. No unnecessary repairs, no pressure.

A fall heating inspection covers the furnace or heat pump components, checks for any safety concerns, and makes sure the system is ready to run when the temperature drops.

Katy homeowners who schedule maintenance regularly tend to spend less on repairs over time and get more years out of their equipment. It's one of the most straightforward ways to protect a system that costs several thousand dollars to replace.

See what we checked during a Katy AC tune-up for a homeowner whose system ran constantly but struggled to cool.

AREAS WE SERVE NEAR KATY

In addition to Katy proper, we serve homeowners and businesses in the surrounding communities including Cinco Ranch, Fulshear, Richmond, Cypress, Brookshire, and other areas along the I-10 and Grand Parkway corridors.

To schedule AC repair, furnace service or HVAC replacement in Katy, call MultiPoint AC & Heating at (832) 963-3789. Tell us what the system is doing and whether the problem affects the whole home or particular rooms.

Our standard diagnostic fee is $69 and is not waived when a repair is approved. An additional $100 after-hours or weekend fee applies when applicable. Repair work is quoted separately before approval. Emergency service available after hours, except Sunday 3 PM to Monday 6 AM.

Learn more about our AC repair and installation services or duct repair, sealing and replacement before your visit.