Ensuring Your Texas HVAC System Keeps Your Furry Friends Cozy

Dogs and cats spend more hours in the house than anyone else in the family, and they cannot adjust the thermostat. In San Antonio, where the attic hits 140 degrees in August and a January norther can drop the house into the 50s overnight, your HVAC system is doing more for your pets than you probably realize. A few adjustments make the house safer for them and easier on the equipment.

Temperature ranges that actually matter

Most dogs and cats are comfortable between 68 and 78 degrees. Short-nosed breeds like bulldogs, pugs, and Persians handle heat poorly and start to struggle above 80. Senior pets, very young animals, and anything with a thick double coat need the cooler end of the range in summer. Setting the thermostat to 82 while you are at work saves money, but it can be dangerous for a bulldog in a west-facing room. A programmable or smart thermostat that holds 78 during the day and drops at night is the safe middle ground, and a smart thermostat lets you check the house temperature from your phone if the power flickers.

Pet hair and your filter

A shedding dog can load a 1-inch filter in three weeks. When the filter clogs, airflow drops, the evaporator coil can freeze, and the system runs longer for less cooling. Check the filter monthly during shedding season and replace it when you cannot see light through it. A pleated filter with a MERV rating of 8 to 11 catches dander that a fiberglass filter passes straight through. If you have multiple pets, ask about a 4-inch media filter cabinet, which holds far more and needs changing only a few times a year.

Keep the outdoor unit clear

Dogs love to mark condensers, and urine corrodes the aluminum fins and copper connections faster than anything the weather does. Fence the unit off or train the dog away from it, and rinse the coil with a garden hose every few weeks in summer. Fur and dust also pack into condenser fins, so a spring cleaning is worth scheduling.

Power outages and heat waves

A pet locked in a house with no air conditioning in July is in danger within a couple of hours. If you travel, leave a key with a neighbor and set up a temperature alert on a smart thermostat. In a heat wave, keep blinds closed on west-facing windows, run ceiling fans, and give pets access to tile floors. In winter, keep pet beds away from exterior walls and off the floor if the house has a slab foundation.

Indoor air quality for pets

Pets breathe the same air you do, closer to the floor where dust and dander settle. A clean evaporator coil and a good filter reduce what is circulating, and a UV-C light at the coil keeps mold from growing in the drain pan. If anyone in the house is allergic to the pets, this combination usually helps more than any air purifier on the market.

A quick maintenance checklist for pet owners

Change the filter every 30 to 60 days. Rinse the outdoor unit monthly in summer. Schedule a spring tune-up before the first 95 degree day and a fall check before the first freeze. Keep the thermostat in a safe range while you are gone. And if the system starts struggling, do not wait; a pet cannot tell you the house is 85 degrees. Manuel & Sons can handle all of it under one maintenance plan. Call 210.549.4839.