The Complete HVAC Tech Stack Guide
Running a modern HVAC business requires more than one tool. The most successful shops use a coordinated tech stack that handles calls, dispatching, payments, marketing, and customer communication. Here are three recommended stacks based on your business size.
Stack 1: Solo to Small Shop (1-4 Techs, Under $750K Revenue)
| Function | Tool | Monthly Cost |
| ---------- | ------ | -------------- |
| FSM | Jobber (Connect) | contact for pricing |
| AI Receptionist | Goodcall | $79/mo |
| Payments | Stripe via Jobber | Included |
| Accounting | QuickBooks Online | $30/mo |
| Reviews | Jobber built-in | Included |
| Total | ~$218/mo |
Why this stack: Maximum functionality at minimum cost. Jobber handles your core operations beautifully, Goodcall catches calls you'd otherwise miss, and QuickBooks keeps your books clean. At $218/mo, this stack pays for itself if it saves one missed call per month.
Stack 2: Growing Shop (5-12 Techs, $750K-$3M Revenue)
| Function | Tool | Monthly Cost |
| ---------- | ------ | -------------- |
| FSM | Housecall Pro (Essentials) | contact for pricing |
| AI Receptionist | Sameday | Contact for pricing |
| Payments | Housecall Pro built-in | Included |
| Accounting | QuickBooks Online | $55/mo |
| Reviews | Podium | Contact |
| Photo Documentation | CompanyCam | $19/user/mo |
| Total | ~$790/mo |
Why this stack: Sameday's natural AI voice plus Housecall Pro's easy dispatching give you a professional operation without the complexity of enterprise tools. Podium drives reviews and reputation. CompanyCam documents every job for warranty protection.
Stack 3: Established Operation (12+ Techs, $3M+ Revenue)
| Function | Tool | Monthly Cost |
| ---------- | ------ | -------------- |
| FSM | ServiceTitan (The Works) | $599/mo+ |
| AI Receptionist | Avoca | Contact for pricing |
| Payments | ServiceTitan Payments | Included |
| Accounting | QuickBooks + Intacct | $200/mo |
| Reviews | ServiceTitan Marketing Pro | Included |
| Photo Documentation | CompanyCam | $19/user/mo |
| Training | ServiceTitan Torch | Included |
| Total | ~$1,280/mo+ |
Why this stack: ServiceTitan + Avoca is the gold standard for HVAC operations at scale. Avoca's deep ServiceTitan integration means calls book directly into your dispatch board. ServiceTitan's pricebook, marketing scorecard, and reporting tools drive revenue growth that justifies the premium investment.
Integration Tips
1. Connect your AI receptionist to your FSM first. This is the highest-impact integration.
2. Sync your FSM to QuickBooks. Eliminate double data entry.
3. Set up automated review requests. Every completed job should trigger a review request.
4. Use CompanyCam on every job. Photos protect you from liability and help with warranty claims.
What NOT to Do
- Don't buy ServiceTitan if you have 3 techs. You'll waste money and time.
- Don't skip the AI receptionist. Missed calls are the biggest revenue leak in HVAC.
- Don't use your FSM's built-in phone if it's not great -- a dedicated AI receptionist is better.
Bottom Line
Match your stack to your size. Start lean with Stack 1, graduate to Stack 2 as you grow, and invest in Stack 3 when you're ready to scale past $3M. The most important thing is having the stack at all -- any of these three will outperform paper and spreadsheets.