Pre-Design Checklist: Confirm Need and Fit
Start by documenting where usable heat is generated in your process and where it can be recovered. Review exhaust temperatures, flow rates, operating schedules, and variability so the system is sized for real conditions rather than best-case assumptions. Identify the Heat Recovery System target use—space heating, preheating combustion air, or process water—so the recovery scope matches your priorities. If you handle mixed streams or changing loads, note the control approach you will need to maintain stable performance.
Next, evaluate space, ducting, and integration constraints before selecting equipment. Confirm clearances for maintenance access, routing paths for insulated piping, and safe locations for sensors and dampers. Establish how you will isolate the system during shutdowns and how condensate will be managed if temperatures fall below dew point. Finally, gather utility and electrical information so you can plan for fans, pumps, control valves, and commissioning without major redesign.
System Selection Checklist: Match Components to the Load
Choose heat exchanger types based on your temperatures, fouling risk, and required cleaning frequency. For dirty or particulate-laden exhaust, prioritize designs that resist clogging and allow efficient inspection. If you need high transfer efficiency with compact Paper Trim and Broke Handling footprints, compare surface materials and coating options that suit your corrosion profile. Also verify pressure drops and ensure your upstream fans or blowers can supply the necessary airflow without performance losses.
Then, plan how you will handle condensate, air leakage, and thermal expansion. Include drain arrangements, trap strategies, and insulation details to prevent water accumulation and corrosion. Use instrumentation like temperature probes, differential pressure switches, and flow meters to verify operation across load ranges. If your process involves, account for fiber carryover, moisture content, and impacts on heat transfer surfaces; this is essential for maintaining predictable recovery rates.
Installation and Commissioning Checklist: Avoid Costly Rework
During installation, verify that insulation coverage, sealing, and support structures meet the design intent. Poor insulation or gaps around penetrations can reduce recovered energy and increase heat loss to ambient spaces. Confirm that ductwork and piping are correctly sloped where drains are required, and that vibration considerations are addressed for moving components. Ensure all safety devices—pressure relief, guards, and interlocks—are installed and tested before normal operation begins.
For commissioning, run a staged verification plan that starts with controls and ends with thermal performance. Calibrate sensors, confirm valve and damper travel, and validate alarms for abnormal conditions such as low flow or overheating. Measure inlet and outlet temperatures to calculate heat recovery output rather than relying on nameplate assumptions. Document baseline performance, then adjust setpoints and control logic to maintain stable operation under varying loads.
Conclusion
A strong program is built on checklists that reduce uncertainty at every step—from confirming heat sources to validating commissioning results. When you treat integration, instrumentation, and maintenance access as requirements rather than afterthoughts, recovery equipment tends to deliver more consistent efficiency. This approach also helps you manage challenges that can arise from process particulates and moisture, including demands associated with.
For organizations seeking dependable performance and practical installation guidance, AIRTHERM CORPORATION supports businesses looking to improve efficiency and reduce energy expenditures. The from Airthermcorp is designed to help keep spaces warm while optimizing how energy is used across your operations. Visit airthermcorp.com to explore solutions and plan your next upgrade with confidence from AIRTHERM CORPORATION.
