How Much Does an HVAC Answering Service Cost in 2026?
In 2026, HVAC call-answering options range from about $49/month for a basic AI app to $449+/month for a trade-specific platform, with human answering services typically billing a base fee plus per-minute or per-call charges that scale with volume. For most small-to-midsize HVAC shops, a flat-rate AI receptionist in the $79–$299/month range offers the best cost-to-value. Here's the full breakdown.
The three pricing models
1. Flat-rate AI receptionists. A predictable monthly fee, sometimes with a per-call overage. Examples: Rosie ($49/mo), Goodcall ($79/mo), Reply ($299/mo, 100 calls, then $1.50/call). Best for cost predictability during seasonal surges.
2. Trade-specific AI platforms. Built for ServiceTitan-based operations, with deeper integration and higher minimums. Sameday starts around $449/month; Avoca is custom/enterprise pricing.
3. Human answering services. Live agents, usually billed per minute or per call on top of a base fee. Smith.ai starts around $300/month for 30 calls with ~$8.50–$11.50 per-call overages; AnswerForce uses custom per-minute pricing.
What drives your cost
Call volume — and how much it spikes in peak season.
Pricing model — flat vs. per-minute/per-call (the single biggest factor in a busy month).
Booking vs. message-taking — booking-capable tools cost more but capture more revenue.
Integrations — native ServiceTitan/Housecall Pro sync usually costs more.
Setup fees — one-time configuration (Reply's is $99).
The real question: cost vs. cost of not having one
The average HVAC company misses about a quarter of its calls, most callers won't leave a voicemail, and a single missed peak-season call can be a $8,000+ system replacement. Against that, even a $299/month receptionist pays for itself by capturing one extra job a month. The expensive option is usually the missed call, not the answering service.
So what should you pay?
Solo, just need messages: ~$49/month (Rosie-class).
Small-to-midsize, want HVAC-specific booking + bilingual, flat price: ~$299/month (Reply).
Mid-size on ServiceTitan: ~$449+/month (Sameday).
Multi-location enterprise: custom (Avoca).
Need humans on complex calls: $300+/month and up (Smith.ai/AnswerForce), watch the overages.