Menu

AHU cleaning, health audits & air balancing

AHU cleaning, health audits & air balancing

AHU cleaning is the deep cleaning of an air handling unit — cooling coils, blower assembly, drain pan, filters and plenum — to restore design airflow and heat transfer. Energetic Services combines it with a documented health audit and air-balancing readings, so the restored airflow is measured rather than assumed.
  • NADCA member
  • Verify on nadca.com
  • ASCS #12775637 — valid to 30 Jun 2027
  • VSMR qualified
  • ISO 9001:2015 · ISO 45001:2018
  • Serving MNCs since 2009

Who needs this

  • Rising energy consumption with no change in load
  • Coil face visibly matted or drain pan fouling
  • Uneven temperatures or weak airflow at diffusers
  • AMC vendor "filter cleaning" is the only maintenance on record
  • ESG or wellness reporting needs measured airflow data

Standards note. Cleaning follows NADCA ACR guidance for HVAC component cleaning. Airflow measurements are recorded before and after so the improvement is a number, not a claim. For hospital theatres, NABH’s Revised Guidelines for Air Conditioning in Operation Theatres (2018) call for pre-filter and micro-vee filter cleaning every 30 days and AHU preventive maintenance to the manufacturer’s schedule, alongside six-monthly validation of air changes, particulate count and pressure differential.

How we do it

  1. 1

    Health audit

    Visual and instrument survey of coils, blower, drain pan and filtration; airflow readings at the unit. You receive an audit report with photos.

  2. 2

    Containment

    The AHU room and unit are isolated; electrical lockout follows your facility permit-to-work.

  3. 3

    Coil and component cleaning

    Coils cleaned with low-pressure methods and coil-safe agents; blower, housing and drain pan degreased and disinfected; filters replaced or cleaned per spec.

  4. 4

    Air balancing check

    Post-clean airflow readings at the unit and representative diffusers, compared against the baseline.

  5. 5

    Closure report

    Before/after photos, readings and recommendations delivered as a single report for your maintenance file.

Proof, not promises

Every ahu cleaning, health audits & air balancing project closes with matched before/after photos and a written report. See the documented process and the evidence page for what that file looks like — or check the credentials behind it. Case-specific documentation is shared during scoping.

Company profile (PDF)

AHU cleaning, health audits & air balancing — common questions

What does AHU cleaning include?

Cooling coil deep cleaning, blower and housing cleaning, drain pan disinfection, filter service, plenum vacuuming and post-clean airflow verification — documented with photos and readings.

How is this different from what our AMC vendor does?

Routine AMCs typically wash filters and wipe accessible surfaces. Coil depth cleaning, blower internals and measured air balancing need dedicated equipment and are usually outside AMC scope.

How much energy does a clean AHU save?

A four-site field study in Energy and Buildings (Ildiri et al. 2025, supported by NADCA) measured 41–60% less fan and blower energy in cleaned systems than in near-identical uncleaned ones — the range of site averages, statistically significant at two of the four sites. None of the sites was in India, so treat it as direction rather than a quote: the health audit and air-balancing readings measure your unit.

Do you handle multiple AHUs across a campus?

Yes. Multi-unit sites get a phased schedule so no floor loses conditioning during working hours, and a consolidated report across all units.

What happens when you call

  1. Call or WhatsApp

    A human answers, 9am–6pm IST, Mon–Sat. If we're on a site, WhatsApp gets the fastest response.

  2. Four quick questions

    Facility type, size, HVAC setup, and what triggered the call. Two minutes, no script.

  3. Free inspection scheduled

    Within 2–3 working days across Delhi NCR — after-hours if your facility needs it.

No quote until we've inspected. We don't price blind — you get a photo-documented findings report first.

Get a free inspection for this service scheduled this week.

Site inspections are free for commercial facilities in Delhi NCR. A human answers.

Call nowWhatsApp (opens in new tab)

VAYU-01 Site assistant

Air hygiene · Projects & maintenance