Free HVAC Software in Houston, TX
Running a hvac business in Houston? Here is why Houston contractors are switching to Kaldr Tech. Scheduling, dispatch, invoicing, payments, and Ava the virtual receptionist, all included at $0 per month.
The Houston HVAC Market
Houston is a massive, no-zoning sprawl where a single service area can stretch 60 miles from Katy to Kingwood. Hurricane season and Gulf humidity drive constant demand for roofing, generators, mold remediation, and HVAC, and the Hispanic homeowner market is huge for contractors who can serve it in Spanish.
Hurricanes, tropical storms, and relentless heat and humidity keep roofers, restoration crews, and AC techs working year-round.
Kaldr Tech is built for the realities of running a hvac shop in a market like Houston, where margins are tight, competition is real, and every booked call matters. Free forever, no credit card, no contract, no per-user fees.
What Houston HVAC Pros Deal With Every Day
Hurricanes, tropical storms, and relentless heat and humidity keep roofers, restoration crews, and AC techs working year-round. If your hvac business cannot dispatch techs fast when demand spikes in Houston, the phone stops ringing and homeowners call whoever picks up first.
Houston homeowners text, email, and Google-review everything. Losing leads because quotes sit in a notebook or voicemail goes unanswered is the number one reason hvac shops in Greater Houston stop growing.
Houston service territories are large. Techs in The Heights cannot always reach a job in The Woodlands the same day, so routing and dispatch have to be smarter than a whiteboard and a group text.
Local competition in Houston is fierce and franchises with national ad budgets dominate search results. Independent hvac contractors need every booked call to count, which means no lead can slip through the cracks.
Texas licensing, permits, and insurance requirements change by municipality across the Greater Houston area. Paperwork mistakes cost hvac pros real money in failed inspections and callbacks.
Built for HVAC Shops in Houston
Every feature included. No upsells, no premium tiers, no per-user fees.
Maintenance Agreement Manager
Track every service contract, automate renewal reminders, and schedule recurring visits without lifting a finger.
Equipment History Tracking
Full equipment profiles with model numbers, install dates, warranty status, and service history , all tied to the customer record.
Smart Dispatch
Route jobs to the nearest available tech based on skill level, location, and job type. Emergency calls get priority routing.
Customer Financing
Offer payment plans on system replacements right from the job site. The customer says yes, you get paid in full.
Serving HVAC Businesses Across Greater Houston
Kaldr Tech works anywhere in and around Houston. Whether your trucks run calls in the city core or the outer suburbs, routing, scheduling, and dispatch are built in.
- The Heights
- Montrose
- Katy
- The Woodlands
- Sugar Land
Houston HVAC Software FAQ
Is Kaldr Tech really free for HVAC contractors in Houston?
Yes. Every core feature, scheduling, dispatch, invoicing, estimates, customer records, Ava the virtual receptionist, is included at no cost for Houston hvac businesses. We make money on optional add-ons like payment processing and SMS, not subscription fees.
How fast can a Houston hvac business get set up?
Most Greater Houston shops are taking calls and dispatching techs within 30 minutes. Import your customer list, connect your calendar, and you are live. No long onboarding calls, no setup fees, no contracts.
Do you support the neighborhoods I serve across Houston?
Kaldr Tech works anywhere in Greater Houston, from The Heights to Sugar Land. Routing, dispatch, and mapping are built in, so your techs always have the fastest path between calls.
Can Ava the virtual receptionist handle HVAC calls in English and Spanish?
Yes. Ava answers in both English and Spanish, books appointments 24/7, captures lead details, and routes emergencies to on-call techs. For Houston shops serving a bilingual customer base, that alone pays for whatever your old software used to cost.
What makes Kaldr Tech different from the hvac software I use now?
Most platforms charge per user, per month, and lock basic features behind premium tiers. Kaldr Tech is $0 per month forever, with every feature included. Built by trades people who understand what a hvac shop in a market like Houston actually needs.
Ready to Run Your Houston HVAC Business on Kaldr Tech?
Free forever. No credit card. No contract. Set up in under 30 minutes.
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