Your FSM Is Running Your Business
If you’re running a field service management (FSM) platform, it is doing exactly what it was built to do.
- Scheduling and dispatch
- Work orders and customer history
- Invoicing and payment processing
- Job costing and back-office reporting
The Sales Complexity Your Tech Faces at the Front Door
The residential HVAC sales conversation is not a simple transaction. Your tech or sales person walks into that home and has to navigate simultaneously and in real time:
- Equipment availability
- AHRI-certified system matching
- Tiered pricing
- Rebates and financing options
- Accessory recommendations
- Warranty terms
- Energy comparisons
- Installation scope
And the clock. Every job. Every time.
The Market Is There. The Question Is Whether Your Process Can Capture It.
Residential HVAC replacement is the largest and fastest-growing segment of a $31.7 billion market—and according to Grand View Research, it is not slowing down.

Your tech or salesperson is walking into that demand every day. The difference between capturing it and leaving it on the table comes down to whether they have the right tool for the sales conversation — one built to handle everything on that list.

What OnCall Air Handles
That’s exactly what OnCall Air is built for.
You get access to live distributor pricing, can include integrated financing across every option tier, and build a Good / Better / Best presentation your homeowner can actually understand in 5-10 minutes.
Plus, it can handle the full complexity of the residential sale from the ground up —from heat pumps, ductless systems, multi-zone mini-splits, HVAC combined with plumbing or electrical, to any custom job.
And it delivers all of these essential sale items consistently. So your back office receives clean data regardless of how complex the conversation at the kitchen table was.
The Combined Value of Your FSM + OnCAll Air

Two Tools. Two Jobs. One Seamless Workflow.
Your FSM
- Structured, precise, built for fulfillment
- Clean data, accurate job costs
- Standardized outputs for your back office
- Gets your tech to the door
OnCall Air
- Built for the sales conversation
- Flexible, human, high-stakes
- Professional branded proposal in 5-10 minutes
- Closes the sale once they are inside
These two tools do not compete. They complete each other. When the sale closes, OnCall Air has structured data — pricebook information, quote details, sold job specifics — your back office can use to know exactly what it needs to fulfill, invoice, and report. Standardized outputs from unstandardized conversations. And with our partner integrations with ServiceTitan and Housecall Pro, that data communicates easily between the two platforms.
FSM Integration: Work With What You Already Run
- ServiceTitan: Item-to-item mapping. Every OnCall Air line item flows into ServiceTitan automatically. No double entry.
- HouseCall Pro: Customer data pulls directly into OnCall Air before the tech arrives on-site. The proposal is prepped and waiting.
- All other FSM platforms: OnCall Air operates as a clean standalone sales layer.
What Happens When You Run Both: Real Contractor results
Six Years Running Both — Chuck Warner, Bill Joplin's Air conditioning & Heating
Chuck Warner is Sales Manager at Bill Joplin’s Air Conditioning and Heating in McKinney, Texas — a nearly 50-year-old company with 24 technicians. His team has used OnCall Air alongside ServiceTitan for close to six years.

“We were able to take all the information from all the equipment, everything that needed to go into the install, and bundle it in one place. It probably cut days off doing a proposal and getting that install completed.”— Chuck Warner, Sales Manager, Joplin’s Air Conditioning & Heating
Before adopting OnCall Air, Chuck’s techs were quoting inconsistently. There was no centralized information, and proposals could take days and still come out wrong.
OnCall Air fixed their sales process — and he’s been successfully running both tools ever since.
From $1.7M to $5.2M: What Happens When You Add a Dedicates Sales Platform
Eddie Simmons, Residential and Finance Sales Manager at Bass Air Conditioning in North Carolina, put it plainly. The first job he ran through OnCall Air in 2020 came out $87 higher than his previous handwritten estimate. Small number. Clear signal. He ran with it.

“Scared decisions don’t make money. If you take the risk and let OnCall Air be the game changer, you’ll be successful.”— Eddie Simmons, Sales Manager, Bass Air Conditioning
At the time, Eddie was doing $1.7 million in personal annual sales. This year: $5.2 million. He is currently ranked #1 on the SBE training platform out of all salespeople on that program.
As Eddie knows too well, time kills deals. Every hour between assessment and proposal is an hour the homeowner spends second-guessing, shopping competitors, or talking to their brother-in-law, who knows a guy. A dedicated sales platform makes the in-home presentation possible on every job, for every tech, every time.
The Close Rate and Revenue Impact of Adding a Dedicated Sales Engine
$6.3B
+17%
25%
OnCall Air has powered $1.7 billion in contractor sales in the last 12 months alone.
The HVAC Contractors Who Will Win This Season
Peak season does not wait. The contractors who capture the most business this season will not necessarily have the most trucks or the lowest prices. They will have the best process. Their techs walk into every home with a professional presentation ready. Homeowners see three options, not one. Financing is on screen before the price objection comes up. And proposals follow up automatically when a homeowner says they need to think about it.
Your FSM dispatches fast. OnCall Air closes the sale. Together, they are the system that wins.
See What Your Sales Process Looks Like With Both.
Book a demo and see OnCall Air in action alongside the FSM you already run.
Common Questions About Fast HVAC Quoting
OnCall Air was built exclusively for one thing: closing the residential HVAC sale. AHRI-certified matching, live distributor pricing, integrated financing, rebate display, and automated follow-up — every feature serves the in-home sales conversation. Each tool does what it does best.
It depends on your FSM. ServiceTitan users get automatic two-way sync — pricebook data, quote details, and sold job information flow through item-to-item mapping. Housecall Pro users get customer data pulled into OnCall Air before the visit, with job details syncing back after close. For all other FSM platforms, OnCall Air runs as a standalone sales layer and the two platforms operate independently.
Yes — directly with both. For all other FSM platforms, OnCall Air operates as a standalone HVAC sales layer.
Both. Your FSM handles dispatch, scheduling, invoicing, and back-office reporting. OnCall Air handles the in-home sales presentation. For ServiceTitan and Housecall Pro users, the data handoff between platforms is automatic. For all other FSMs, the two tools run independently.
Yes — heat pumps, ductless systems, multi-zone mini-splits, dual fuel, HVAC combined with plumbing or electrical, ductwork packages, and custom builds. FlexJobs templates let your techs deliver a complete proposal in under five minutes regardless of complexity.




