BACKGROUND
The defendant, Medical Technologies Group, Limited (Medtech), is in the business of reviewing claims for medical benefits. On November 30, 1993, Medtech entered into a five-year lease from February 1, 1994, through January 31, 1999, with the plaintiff, Shaker & Associates, Inc., doing business as Shaker Management Company (Shaker), for commercial office space in Oak Park. The premises were located in an office building shared by numerous tenants. The rent was $4,465 per month. As agreed to under the lease, Shaker built out the premises and made certain improvements in order to make them suitable for Medtech’s business. Medtech took possession in mid-January 1994.
Shaker alleges that Medtech was consistently late in its rent payments. In September 1994, Medtech stopped paying rent altogether. Shaker then served Medtech with a five-day notice and filed a forcible detainer action on September 26, 1994. Medtech vacated the premises on December 20, 1994, shortly before the trial date.
On December 6, 1994, Shaker filed this suit seeking to collect all rents until the end of the lease as well as attorney fees. Shaker also named Anne Gose, Medtech’s chief executive officer, and Ralph Menezes, another officer of Medtech, as defendants, alleging that they had guaranteed the lease. Shaker found a new tenant for the premises starting on February 1, 1997.
Medtech filed a countercomplaint and affirmative defenses on February 14, 1995. Medtech alleged that from the beginning of its occupancy it encountered various defects in the building, which eventually made it unable to continue its business there. In particular, Medtech alleged that Shaker did not provide adequate air conditioning in the summer or heat in the winter. According to Medtech, this problem caused Gose to be hospitalized for heat exhaustion on July 14, 1994, caused one employee to quit and made various other employees ill, and forced the office to be closed on at least one afternoon. Medtech also alleged that frozen pipes and broken skylights caused flooding of the office and that Shaker failed to provide cleaning service and light bulbs as agreed in the lease.
Medtech set out three counts, alleging: (1) that Shaker had violated the express terms of the lease by not providing heat and air conditioning, not providing cleaning services, not providing light bulbs, not keeping the plumbing in satisfactory condition and not making repairs; (2) that Shaker had committed fraud by agreeing to provide heat and air conditioning when it knew or should have known that the system did not function properly; and (3) that Shaker was negligent in failing to inform Medtech of the defective heating, ventilation and air-conditioning (HVAC) unit. Nevertheless, the counterclaim