Furnace Installation in Katy, TX
Texas TDLR Licensed Air Conditioning & Refrigeration Contractor (#TACLB145586E) installing and replacing gas furnaces and complete heating systems for Katy homes. Proper Manual J sizing, equipment selected for west Houston winters, and full City of Katy permitting so your new furnace delivers reliable, efficient heat when temperatures drop.
Furnace Installation Built for Katy Homes and Winters
Katy winters are generally mild, but cold snaps and hard freezes still occur. An undersized or aging furnace can leave rooms uncomfortable and drive up energy bills. An oversized unit short-cycles and never runs efficiently. We size every residential furnace installation with a proper load calculation and select equipment that matches your home’s actual heating needs, gas availability, and comfort goals.
24/7
Emergency Support After Installation
Manual J Sizing for Real Katy Conditions
Gas Furnaces & Matched Systems
City of Katy Permitting
Close Proximity from Cypress
How Residential Furnace Installation Works in Katy
A clear process from the first home assessment through City of Katy inspection and system handover.
In-Home Assessment
We visit your Katy home, evaluate the existing furnace and ductwork, check gas line and venting conditions, and discuss comfort goals, efficiency targets, and any cold-room issues you have been living with.
Load Calculation & Equipment Recommendation
A Manual J-style heating load calculation is completed for your specific home. We then recommend furnace capacity, efficiency level (AFUE), and features that match how you use the house and whether you plan to keep or replace the cooling system.
Permitting & Scheduling
We submit the City of Katy mechanical / HVAC permit. Once equipment is ordered and the permit is in process, we schedule the installation on a date that works for your household.
Professional Installation
Licensed technicians remove the old furnace, set the new unit, complete gas, electrical, and venting connections, address any necessary duct transitions, and commission the system. The work area is left clean.
Final Inspection & Walkthrough
We meet the City of Katy inspection and then walk you through thermostat operation, filter locations, and recommended maintenance so you get the full benefit of the new furnace.
Because we are based in nearby Cypress, most Katy residential furnace installations can be scheduled promptly and completed with minimal disruption to your routine.
City of Katy Residential Furnace Installation Requirements
What Katy homeowners should know before replacing or installing a new furnace.
Is a permit required for residential furnace installation in Katy?
Yes. The City of Katy requires permits for the installation or replacement of heating systems, including gas furnaces. We handle the permit application as part of the project.
Source: City of Katy – Permit & Building Services
What codes apply to residential furnace work in Katy?
Katy has adopted the 2021 International Codes, including the International Residential Code, International Mechanical Code, and International Fuel Gas Code, along with the 2023 National Electrical Code.
Source: City of Katy – City Codes
Who can pull the HVAC / furnace permit?
A licensed mechanical contractor holding a valid Texas TDLR Air Conditioning & Refrigeration license submits the application. Homeowners do not pull their own mechanical permits for this work.
Source: City of Katy / TDLR
Are inspections required after installation?
Yes. The completed installation is subject to City of Katy inspection. We schedule and meet the inspection so the project is properly closed out.
Source: City of Katy – Permit & Building Services
Katy Homeowner Feedback on Furnace Installation
Comments from homeowners who had furnaces installed or replaced in the Katy area.
4.8
40+ verified reviews
“They sized the new furnace correctly and explained the efficiency options clearly. Installation was clean and on schedule. The house stays comfortable during cold snaps without the big energy spikes we used to see.”
Homeowner
Cinco Ranch area
“From the first visit through the City of Katy inspection, everything was straightforward. The new furnace is quieter and heats more evenly than the old one.”
Homeowner
Katy
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Master Furnace Installation Guide & Safety Standards
Explore gas and electric heating replacement capabilities, TDLR licensing (#TACLB145586E), carbon monoxide venting safety, and AFUE efficiency ratings.
Katy Furnace Installation FAQ
Most furnace replacements are completed in one day once the equipment is on site. More complex projects (significant duct modifications, gas line work, or difficult access) may require additional time. We provide a clear schedule after the in-home assessment.
Yes. Every residential furnace installation begins with a proper heating load calculation so the system is sized for your specific home and Katy climate conditions rather than a generic rule of thumb.
Yes. We submit the required mechanical / HVAC permit and coordinate the inspection as part of the installation.
We recommend furnaces that balance upfront cost with long-term operating cost. Higher AFUE units often make sense for homes that see regular winter use or for homeowners planning to stay long-term. We explain the options clearly during the estimate.
In many cases we can replace the furnace alone and keep a compatible existing air conditioner. When both systems are aging or mismatched, a complete matched system often delivers better efficiency and comfort. We evaluate this during the assessment.
Yes. We schedule installations on weekdays and, when capacity allows, on Saturdays so the work fits your household’s routine.
Yes. We provide residential heating maintenance plans that keep the new furnace clean, efficient, and under warranty requirements.
Yes. Elisee AC Services LLC holds Texas TDLR Air Conditioning & Refrigeration Contractor license #TACLB145586E and performs residential heating installation work under that license.
Start Your Katy Furnace Installation
Licensed residential furnace installation by Elisee AC Services LLC (TDLR #TACLB145586E). Free in-home estimate for Katy homeowners.
Get In Touch
Phone
(346) 550-1887Service Area
Serving Katy, TX — HQ: 19527 Majestic Landing Ln, Cypress, TX 77433
Response Time
Mon–Sun: 24 Hours (Emergency Support Available)
★ Fully Licensed · Bonded & Insured · BBB Accredited